42638704

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{25873}}^1$

素因数の和:25984

約数の個数: 20

約数和(自身を含む): 83417776

約数和(自身を除く): 40779072

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 25873, 51746, 103492, 206984, 413968, 2664919, 5329838, 10659676, 21319352, 42638704]

約数ペア:

[(1, 42638704), (2, 21319352), (4, 10659676), (8, 5329838), (16, 2664919), (103, 413968), (206, 206984), (412, 103492), (824, 51746), (1648, 25873)]