71656688

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{43481}}^1$

素因数の和:43592

約数の個数: 20

約数和(自身を含む): 140185968

約数和(自身を除く): 68529280

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 43481, 86962, 173924, 347848, 695696, 4478543, 8957086, 17914172, 35828344, 71656688]

約数ペア:

[(1, 71656688), (2, 35828344), (4, 17914172), (8, 8957086), (16, 4478543), (103, 695696), (206, 347848), (412, 173924), (824, 86962), (1648, 43481)]