201991428

素因数分解:

$2^2\times 3^3\times {\mathrm{23}}^1\times {\mathrm{233}}^1\times {\mathrm{349}}^1$

素因数の和:618

約数の個数: 96

約数和(自身を含む): 550368000

約数和(自身を除く): 348376572

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 69, 92, 108, 138, 207, 233, 276, 349, 414, 466, 621, 698, 699, 828, 932, 1047, 1242, 1396, 1398, 2094, 2097, 2484, 2796, 3141, 4188, 4194, 5359, 6282, 6291, 8027, 8388, 9423, 10718, 12564, 12582, 16054, 16077, 18846, 21436, 24081, 25164, 32108, 32154, 37692, 48162, 48231, 64308, 72243, 81317, 96324, 96462, 144486, 144693, 162634, 192924, 216729, 243951, 288972, 289386, 325268, 433458, 487902, 578772, 731853, 866916, 975804, 1463706, 1870291, 2195559, 2927412, 3740582, 4391118, 5610873, 7481164, 8782236, 11221746, 16832619, 22443492, 33665238, 50497857, 67330476, 100995714, 201991428]

約数ペア:

[(1, 201991428), (2, 100995714), (3, 67330476), (4, 50497857), (6, 33665238), (9, 22443492), (12, 16832619), (18, 11221746), (23, 8782236), (27, 7481164), (36, 5610873), (46, 4391118), (54, 3740582), (69, 2927412), (92, 2195559), (108, 1870291), (138, 1463706), (207, 975804), (233, 866916), (276, 731853), (349, 578772), (414, 487902), (466, 433458), (621, 325268), (698, 289386), (699, 288972), (828, 243951), (932, 216729), (1047, 192924), (1242, 162634), (1396, 144693), (1398, 144486), (2094, 96462), (2097, 96324), (2484, 81317), (2796, 72243), (3141, 64308), (4188, 48231), (4194, 48162), (5359, 37692), (6282, 32154), (6291, 32108), (8027, 25164), (8388, 24081), (9423, 21436), (10718, 18846), (12564, 16077), (12582, 16054)]