127798256

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{359}}^1\times {\mathrm{1171}}^1$

素因数の和:1557

約数の個数: 40

約数和(自身を含む): 261590400

約数和(自身を除く): 133792144

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 359, 718, 1171, 1436, 2342, 2872, 4684, 5744, 6821, 9368, 13642, 18736, 22249, 27284, 44498, 54568, 88996, 109136, 177992, 355984, 420389, 840778, 1681556, 3363112, 6726224, 7987391, 15974782, 31949564, 63899128, 127798256]

約数ペア:

[(1, 127798256), (2, 63899128), (4, 31949564), (8, 15974782), (16, 7987391), (19, 6726224), (38, 3363112), (76, 1681556), (152, 840778), (304, 420389), (359, 355984), (718, 177992), (1171, 109136), (1436, 88996), (2342, 54568), (2872, 44498), (4684, 27284), (5744, 22249), (6821, 18736), (9368, 13642)]