28884856

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3607}}^1$

素因数の和:3644

約数の個数: 64

約数和(自身を含む): 72737280

約数和(自身を除く): 43852424

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 143, 154, 182, 286, 308, 364, 572, 616, 728, 1001, 1144, 2002, 3607, 4004, 7214, 8008, 14428, 25249, 28856, 39677, 46891, 50498, 79354, 93782, 100996, 158708, 187564, 201992, 277739, 317416, 328237, 375128, 515801, 555478, 656474, 1031602, 1110956, 1312948, 2063204, 2221912, 2625896, 3610607, 4126408, 7221214, 14442428, 28884856]

約数ペア:

[(1, 28884856), (2, 14442428), (4, 7221214), (7, 4126408), (8, 3610607), (11, 2625896), (13, 2221912), (14, 2063204), (22, 1312948), (26, 1110956), (28, 1031602), (44, 656474), (52, 555478), (56, 515801), (77, 375128), (88, 328237), (91, 317416), (104, 277739), (143, 201992), (154, 187564), (182, 158708), (286, 100996), (308, 93782), (364, 79354), (572, 50498), (616, 46891), (728, 39677), (1001, 28856), (1144, 25249), (2002, 14428), (3607, 8008), (4004, 7214)]