81531622

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{13163}}^1$

素因数の和:13347

約数の個数: 16

約数和(自身を含む): 129533760

約数和(自身を除く): 48002138

約数列:

[1, 2, 19, 38, 163, 326, 3097, 6194, 13163, 26326, 250097, 500194, 2145569, 4291138, 40765811, 81531622]

約数ペア:

[(1, 81531622), (2, 40765811), (19, 4291138), (38, 2145569), (163, 500194), (326, 250097), (3097, 26326), (6194, 13163)]