123720272

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{2819}}^1$

素因数の和:3051

約数の個数: 40

約数和(自身を含む): 259462560

約数和(自身を除く): 135742288

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 211, 422, 844, 1688, 2743, 2819, 3376, 5486, 5638, 10972, 11276, 21944, 22552, 36647, 43888, 45104, 73294, 146588, 293176, 586352, 594809, 1189618, 2379236, 4758472, 7732517, 9516944, 15465034, 30930068, 61860136, 123720272]

約数ペア:

[(1, 123720272), (2, 61860136), (4, 30930068), (8, 15465034), (13, 9516944), (16, 7732517), (26, 4758472), (52, 2379236), (104, 1189618), (208, 594809), (211, 586352), (422, 293176), (844, 146588), (1688, 73294), (2743, 45104), (2819, 43888), (3376, 36647), (5486, 22552), (5638, 21944), (10972, 11276)]