220707988

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{6781}}^1$

素因数の和:6967

約数の個数: 24

約数和(自身を含む): 394983680

約数和(自身を除く): 174275692

約数列:

[1, 2, 4, 79, 103, 158, 206, 316, 412, 6781, 8137, 13562, 16274, 27124, 32548, 535699, 698443, 1071398, 1396886, 2142796, 2793772, 55176997, 110353994, 220707988]

約数ペア:

[(1, 220707988), (2, 110353994), (4, 55176997), (79, 2793772), (103, 2142796), (158, 1396886), (206, 1071398), (316, 698443), (412, 535699), (6781, 32548), (8137, 27124), (13562, 16274)]