1988445648

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1\times {\mathrm{547}}^1$

素因数の和:945

約数の個数: 160

約数和(自身を含む): 6088499200

約数和(自身を除く): 4100053552

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 42, 48, 56, 62, 84, 93, 112, 124, 168, 186, 217, 248, 336, 349, 372, 434, 496, 547, 651, 698, 744, 868, 1047, 1094, 1302, 1396, 1488, 1641, 1736, 2094, 2188, 2443, 2604, 2792, 3282, 3472, 3829, 4188, 4376, 4886, 5208, 5584, 6564, 7329, 7658, 8376, 8752, 9772, 10416, 10819, 11487, 13128, 14658, 15316, 16752, 16957, 19544, 21638, 22974, 26256, 29316, 30632, 32457, 33914, 39088, 43276, 45948, 50871, 58632, 61264, 64914, 67828, 75733, 86552, 91896, 101742, 117264, 118699, 129828, 135656, 151466, 173104, 183792, 190903, 203484, 227199, 237398, 259656, 271312, 302932, 356097, 381806, 406968, 454398, 474796, 519312, 572709, 605864, 712194, 763612, 813936, 908796, 949592, 1145418, 1211728, 1336321, 1424388, 1527224, 1817592, 1899184, 2290836, 2672642, 2848776, 3054448, 3635184, 4008963, 4581672, 5345284, 5697552, 5917993, 8017926, 9163344, 10690568, 11835986, 16035852, 17753979, 21381136, 23671972, 32071704, 35507958, 41425951, 47343944, 64143408, 71015916, 82851902, 94687888, 124277853, 142031832, 165703804, 248555706, 284063664, 331407608, 497111412, 662815216, 994222824, 1988445648]

約数ペア:

[(1, 1988445648), (2, 994222824), (3, 662815216), (4, 497111412), (6, 331407608), (7, 284063664), (8, 248555706), (12, 165703804), (14, 142031832), (16, 124277853), (21, 94687888), (24, 82851902), (28, 71015916), (31, 64143408), (42, 47343944), (48, 41425951), (56, 35507958), (62, 32071704), (84, 23671972), (93, 21381136), (112, 17753979), (124, 16035852), (168, 11835986), (186, 10690568), (217, 9163344), (248, 8017926), (336, 5917993), (349, 5697552), (372, 5345284), (434, 4581672), (496, 4008963), (547, 3635184), (651, 3054448), (698, 2848776), (744, 2672642), (868, 2290836), (1047, 1899184), (1094, 1817592), (1302, 1527224), (1396, 1424388), (1488, 1336321), (1641, 1211728), (1736, 1145418), (2094, 949592), (2188, 908796), (2443, 813936), (2604, 763612), (2792, 712194), (3282, 605864), (3472, 572709), (3829, 519312), (4188, 474796), (4376, 454398), (4886, 406968), (5208, 381806), (5584, 356097), (6564, 302932), (7329, 271312), (7658, 259656), (8376, 237398), (8752, 227199), (9772, 203484), (10416, 190903), (10819, 183792), (11487, 173104), (13128, 151466), (14658, 135656), (15316, 129828), (16752, 118699), (16957, 117264), (19544, 101742), (21638, 91896), (22974, 86552), (26256, 75733), (29316, 67828), (30632, 64914), (32457, 61264), (33914, 58632), (39088, 50871), (43276, 45948)]