71277488

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{491}}^1$

素因数の和:753

約数の個数: 40

約数和(自身を含む): 142270656

約数和(自身を除く): 70993168

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 211, 344, 422, 491, 688, 844, 982, 1688, 1964, 3376, 3928, 7856, 9073, 18146, 21113, 36292, 42226, 72584, 84452, 103601, 145168, 168904, 207202, 337808, 414404, 828808, 1657616, 4454843, 8909686, 17819372, 35638744, 71277488]

約数ペア:

[(1, 71277488), (2, 35638744), (4, 17819372), (8, 8909686), (16, 4454843), (43, 1657616), (86, 828808), (172, 414404), (211, 337808), (344, 207202), (422, 168904), (491, 145168), (688, 103601), (844, 84452), (982, 72584), (1688, 42226), (1964, 36292), (3376, 21113), (3928, 18146), (7856, 9073)]