30840698

素因数分解:

$2^1\times 7^2\times {\mathrm{389}}^1\times {\mathrm{809}}^1$

素因数の和:1214

約数の個数: 24

約数和(自身を含む): 54018900

約数和(自身を除く): 23178202

約数列:

[1, 2, 7, 14, 49, 98, 389, 778, 809, 1618, 2723, 5446, 5663, 11326, 19061, 38122, 39641, 79282, 314701, 629402, 2202907, 4405814, 15420349, 30840698]

約数ペア:

[(1, 30840698), (2, 15420349), (7, 4405814), (14, 2202907), (49, 629402), (98, 314701), (389, 79282), (778, 39641), (809, 38122), (1618, 19061), (2723, 11326), (5446, 5663)]