131481974

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{163129}}^1$

素因数の和:163175

約数の個数: 16

約数和(自身を含む): 219246720

約数和(自身を除く): 87764746

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 163129, 326258, 2120677, 4241354, 5056999, 10113998, 65740987, 131481974]

約数ペア:

[(1, 131481974), (2, 65740987), (13, 10113998), (26, 5056999), (31, 4241354), (62, 2120677), (403, 326258), (806, 163129)]