127481488

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{2671}}^1$

素因数の和:2855

約数の個数: 40

約数和(自身を含む): 261749120

約数和(自身を除く): 134267632

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 157, 304, 314, 628, 1256, 2512, 2671, 2983, 5342, 5966, 10684, 11932, 21368, 23864, 42736, 47728, 50749, 101498, 202996, 405992, 419347, 811984, 838694, 1677388, 3354776, 6709552, 7967593, 15935186, 31870372, 63740744, 127481488]

約数ペア:

[(1, 127481488), (2, 63740744), (4, 31870372), (8, 15935186), (16, 7967593), (19, 6709552), (38, 3354776), (76, 1677388), (152, 838694), (157, 811984), (304, 419347), (314, 405992), (628, 202996), (1256, 101498), (2512, 50749), (2671, 47728), (2983, 42736), (5342, 23864), (5966, 21368), (10684, 11932)]