221787888

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{199}}^1$

素因数の和:355

約数の個数: 160

約数和(自身を含む): 685670400

約数和(自身を除く): 463882512

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 42, 48, 56, 62, 84, 93, 107, 112, 124, 168, 186, 199, 214, 217, 248, 321, 336, 372, 398, 428, 434, 496, 597, 642, 651, 744, 749, 796, 856, 868, 1194, 1284, 1302, 1393, 1488, 1498, 1592, 1712, 1736, 2247, 2388, 2568, 2604, 2786, 2996, 3184, 3317, 3472, 4179, 4494, 4776, 5136, 5208, 5572, 5992, 6169, 6634, 8358, 8988, 9552, 9951, 10416, 11144, 11984, 12338, 13268, 16716, 17976, 18507, 19902, 21293, 22288, 23219, 24676, 26536, 33432, 35952, 37014, 39804, 42586, 43183, 46438, 49352, 53072, 63879, 66864, 69657, 74028, 79608, 85172, 86366, 92876, 98704, 127758, 129549, 139314, 148056, 149051, 159216, 170344, 172732, 185752, 255516, 259098, 278628, 296112, 298102, 340688, 345464, 371504, 447153, 511032, 518196, 557256, 596204, 660083, 690928, 894306, 1022064, 1036392, 1114512, 1192408, 1320166, 1788612, 1980249, 2072784, 2384816, 2640332, 3577224, 3960498, 4620581, 5280664, 7154448, 7920996, 9241162, 10561328, 13861743, 15841992, 18482324, 27723486, 31683984, 36964648, 55446972, 73929296, 110893944, 221787888]

約数ペア:

[(1, 221787888), (2, 110893944), (3, 73929296), (4, 55446972), (6, 36964648), (7, 31683984), (8, 27723486), (12, 18482324), (14, 15841992), (16, 13861743), (21, 10561328), (24, 9241162), (28, 7920996), (31, 7154448), (42, 5280664), (48, 4620581), (56, 3960498), (62, 3577224), (84, 2640332), (93, 2384816), (107, 2072784), (112, 1980249), (124, 1788612), (168, 1320166), (186, 1192408), (199, 1114512), (214, 1036392), (217, 1022064), (248, 894306), (321, 690928), (336, 660083), (372, 596204), (398, 557256), (428, 518196), (434, 511032), (496, 447153), (597, 371504), (642, 345464), (651, 340688), (744, 298102), (749, 296112), (796, 278628), (856, 259098), (868, 255516), (1194, 185752), (1284, 172732), (1302, 170344), (1393, 159216), (1488, 149051), (1498, 148056), (1592, 139314), (1712, 129549), (1736, 127758), (2247, 98704), (2388, 92876), (2568, 86366), (2604, 85172), (2786, 79608), (2996, 74028), (3184, 69657), (3317, 66864), (3472, 63879), (4179, 53072), (4494, 49352), (4776, 46438), (5136, 43183), (5208, 42586), (5572, 39804), (5992, 37014), (6169, 35952), (6634, 33432), (8358, 26536), (8988, 24676), (9552, 23219), (9951, 22288), (10416, 21293), (11144, 19902), (11984, 18507), (12338, 17976), (13268, 16716)]