128007988

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{3491}}^1$

素因数の和:3687

約数の個数: 24

約数和(自身を含む): 228795840

約数和(自身を除く): 100787852

約数列:

[1, 2, 4, 89, 103, 178, 206, 356, 412, 3491, 6982, 9167, 13964, 18334, 36668, 310699, 359573, 621398, 719146, 1242796, 1438292, 32001997, 64003994, 128007988]

約数ペア:

[(1, 128007988), (2, 64003994), (4, 32001997), (89, 1438292), (103, 1242796), (178, 719146), (206, 621398), (356, 359573), (412, 310699), (3491, 36668), (6982, 18334), (9167, 13964)]