128216048

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{77801}}^1$

素因数の和:77912

約数の個数: 20

約数和(自身を含む): 250833648

約数和(自身を除く): 122617600

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 77801, 155602, 311204, 622408, 1244816, 8013503, 16027006, 32054012, 64108024, 128216048]

約数ペア:

[(1, 128216048), (2, 64108024), (4, 32054012), (8, 16027006), (16, 8013503), (103, 1244816), (206, 622408), (412, 311204), (824, 155602), (1648, 77801)]