191621390

素因数分解:

$2^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{70709}}^1$

素因数の和:70987

約数の個数: 16

約数和(自身を含む): 346196160

約数和(自身を除く): 154574770

約数列:

[1, 2, 5, 10, 271, 542, 1355, 2710, 70709, 141418, 353545, 707090, 19162139, 38324278, 95810695, 191621390]

約数ペア:

[(1, 191621390), (2, 95810695), (5, 38324278), (10, 19162139), (271, 707090), (542, 353545), (1355, 141418), (2710, 70709)]