1640728

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 3310560

約数和(自身を除く): 1669832

約数列:

[1, 2, 4, 8, 23, 37, 46, 74, 92, 148, 184, 241, 296, 482, 851, 964, 1702, 1928, 3404, 5543, 6808, 8917, 11086, 17834, 22172, 35668, 44344, 71336, 205091, 410182, 820364, 1640728]

約数ペア:

[(1, 1640728), (2, 820364), (4, 410182), (8, 205091), (23, 71336), (37, 44344), (46, 35668), (74, 22172), (92, 17834), (148, 11086), (184, 8917), (241, 6808), (296, 5543), (482, 3404), (851, 1928), (964, 1702)]