28431984

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2287}}^1$

素因数の和:2342

約数の個数: 80

約数和(自身を含む): 86248448

約数和(自身を除く): 57816464

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 37, 42, 48, 56, 74, 84, 111, 112, 148, 168, 222, 259, 296, 336, 444, 518, 592, 777, 888, 1036, 1554, 1776, 2072, 2287, 3108, 4144, 4574, 6216, 6861, 9148, 12432, 13722, 16009, 18296, 27444, 32018, 36592, 48027, 54888, 64036, 84619, 96054, 109776, 128072, 169238, 192108, 253857, 256144, 338476, 384216, 507714, 592333, 676952, 768432, 1015428, 1184666, 1353904, 1776999, 2030856, 2369332, 3553998, 4061712, 4738664, 7107996, 9477328, 14215992, 28431984]

約数ペア:

[(1, 28431984), (2, 14215992), (3, 9477328), (4, 7107996), (6, 4738664), (7, 4061712), (8, 3553998), (12, 2369332), (14, 2030856), (16, 1776999), (21, 1353904), (24, 1184666), (28, 1015428), (37, 768432), (42, 676952), (48, 592333), (56, 507714), (74, 384216), (84, 338476), (111, 256144), (112, 253857), (148, 192108), (168, 169238), (222, 128072), (259, 109776), (296, 96054), (336, 84619), (444, 64036), (518, 54888), (592, 48027), (777, 36592), (888, 32018), (1036, 27444), (1554, 18296), (1776, 16009), (2072, 13722), (2287, 12432), (3108, 9148), (4144, 6861), (4574, 6216)]