28943512

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:220

約数の個数: 64

約数和(自身を含む): 61236000

約数和(自身を除く): 32292488

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 59, 89, 104, 106, 118, 178, 212, 236, 356, 424, 472, 689, 712, 767, 1157, 1378, 1534, 2314, 2756, 3068, 3127, 4628, 4717, 5251, 5512, 6136, 6254, 9256, 9434, 10502, 12508, 18868, 21004, 25016, 37736, 40651, 42008, 61321, 68263, 81302, 122642, 136526, 162604, 245284, 273052, 278303, 325208, 490568, 546104, 556606, 1113212, 2226424, 3617939, 7235878, 14471756, 28943512]

約数ペア:

[(1, 28943512), (2, 14471756), (4, 7235878), (8, 3617939), (13, 2226424), (26, 1113212), (52, 556606), (53, 546104), (59, 490568), (89, 325208), (104, 278303), (106, 273052), (118, 245284), (178, 162604), (212, 136526), (236, 122642), (356, 81302), (424, 68263), (472, 61321), (689, 42008), (712, 40651), (767, 37736), (1157, 25016), (1378, 21004), (1534, 18868), (2314, 12508), (2756, 10502), (3068, 9434), (3127, 9256), (4628, 6254), (4717, 6136), (5251, 5512)]