221373456

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{3821}}^1$

素因数の和:3920

約数の個数: 80

約数和(自身を含む): 614210688

約数和(自身を除く): 392837232

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 71, 102, 136, 142, 204, 213, 272, 284, 408, 426, 568, 816, 852, 1136, 1207, 1704, 2414, 3408, 3621, 3821, 4828, 7242, 7642, 9656, 11463, 14484, 15284, 19312, 22926, 28968, 30568, 45852, 57936, 61136, 64957, 91704, 129914, 183408, 194871, 259828, 271291, 389742, 519656, 542582, 779484, 813873, 1039312, 1085164, 1558968, 1627746, 2170328, 3117936, 3255492, 4340656, 4611947, 6510984, 9223894, 13021968, 13835841, 18447788, 27671682, 36895576, 55343364, 73791152, 110686728, 221373456]

約数ペア:

[(1, 221373456), (2, 110686728), (3, 73791152), (4, 55343364), (6, 36895576), (8, 27671682), (12, 18447788), (16, 13835841), (17, 13021968), (24, 9223894), (34, 6510984), (48, 4611947), (51, 4340656), (68, 3255492), (71, 3117936), (102, 2170328), (136, 1627746), (142, 1558968), (204, 1085164), (213, 1039312), (272, 813873), (284, 779484), (408, 542582), (426, 519656), (568, 389742), (816, 271291), (852, 259828), (1136, 194871), (1207, 183408), (1704, 129914), (2414, 91704), (3408, 64957), (3621, 61136), (3821, 57936), (4828, 45852), (7242, 30568), (7642, 28968), (9656, 22926), (11463, 19312), (14484, 15284)]