261749149

素因数分解:

${\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{223}}^1\times {\mathrm{379}}^1$

素因数の和:784

約数の個数: 16

約数和(自身を含む): 279193600

約数和(自身を除く): 17444451

約数列:

[1, 19, 163, 223, 379, 3097, 4237, 7201, 36349, 61777, 84517, 690631, 1173763, 1605823, 13776271, 261749149]

約数ペア:

[(1, 261749149), (19, 13776271), (163, 1605823), (223, 1173763), (379, 690631), (3097, 84517), (4237, 61777), (7201, 36349)]