81466018

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1\times {\mathrm{1301}}^1$

素因数の和:1673

約数の個数: 16

約数和(自身を含む): 123742080

約数和(自身を除く): 42276062

約数列:

[1, 2, 131, 239, 262, 478, 1301, 2602, 31309, 62618, 170431, 310939, 340862, 621878, 40733009, 81466018]

約数ペア:

[(1, 81466018), (2, 40733009), (131, 621878), (239, 340862), (262, 310939), (478, 170431), (1301, 62618), (2602, 31309)]