68618888

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{211}}^1$

素因数の和:342

約数の個数: 64

約数和(自身を含む): 144244800

約数和(自身を除く): 75625912

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 59, 104, 106, 118, 211, 212, 236, 422, 424, 472, 689, 767, 844, 1378, 1534, 1688, 2743, 2756, 3068, 3127, 5486, 5512, 6136, 6254, 10972, 11183, 12449, 12508, 21944, 22366, 24898, 25016, 40651, 44732, 49796, 81302, 89464, 99592, 145379, 161837, 162604, 290758, 323674, 325208, 581516, 647348, 659797, 1163032, 1294696, 1319594, 2639188, 5278376, 8577361, 17154722, 34309444, 68618888]

約数ペア:

[(1, 68618888), (2, 34309444), (4, 17154722), (8, 8577361), (13, 5278376), (26, 2639188), (52, 1319594), (53, 1294696), (59, 1163032), (104, 659797), (106, 647348), (118, 581516), (211, 325208), (212, 323674), (236, 290758), (422, 162604), (424, 161837), (472, 145379), (689, 99592), (767, 89464), (844, 81302), (1378, 49796), (1534, 44732), (1688, 40651), (2743, 25016), (2756, 24898), (3068, 22366), (3127, 21944), (5486, 12508), (5512, 12449), (6136, 11183), (6254, 10972)]