128812624

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{78163}}^1$

素因数の和:78274

約数の個数: 20

約数和(自身を含む): 252000736

約数和(自身を除く): 123188112

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 78163, 156326, 312652, 625304, 1250608, 8050789, 16101578, 32203156, 64406312, 128812624]

約数ペア:

[(1, 128812624), (2, 64406312), (4, 32203156), (8, 16101578), (16, 8050789), (103, 1250608), (206, 625304), (412, 312652), (824, 156326), (1648, 78163)]