217193872

素因数分解:

$2^4\times 7^2\times {\mathrm{449}}^1\times {\mathrm{617}}^1$

素因数の和:1088

約数の個数: 60

約数和(自身を含む): 491402700

約数和(自身を除く): 274208828

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 449, 617, 784, 898, 1234, 1796, 2468, 3143, 3592, 4319, 4936, 6286, 7184, 8638, 9872, 12572, 17276, 22001, 25144, 30233, 34552, 44002, 50288, 60466, 69104, 88004, 120932, 176008, 241864, 277033, 352016, 483728, 554066, 1108132, 1939231, 2216264, 3878462, 4432528, 7756924, 13574617, 15513848, 27149234, 31027696, 54298468, 108596936, 217193872]

約数ペア:

[(1, 217193872), (2, 108596936), (4, 54298468), (7, 31027696), (8, 27149234), (14, 15513848), (16, 13574617), (28, 7756924), (49, 4432528), (56, 3878462), (98, 2216264), (112, 1939231), (196, 1108132), (392, 554066), (449, 483728), (617, 352016), (784, 277033), (898, 241864), (1234, 176008), (1796, 120932), (2468, 88004), (3143, 69104), (3592, 60466), (4319, 50288), (4936, 44002), (6286, 34552), (7184, 30233), (8638, 25144), (9872, 22001), (12572, 17276)]