138563855

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 180874944

約数和(自身を除く): 42311089

約数列:

[1, 5, 17, 73, 85, 137, 163, 365, 685, 815, 1241, 2329, 2771, 6205, 10001, 11645, 11899, 13855, 22331, 50005, 59495, 111655, 170017, 202283, 379627, 850085, 1011415, 1630163, 1898135, 8150815, 27712771, 138563855]

約数ペア:

[(1, 138563855), (5, 27712771), (17, 8150815), (73, 1898135), (85, 1630163), (137, 1011415), (163, 850085), (365, 379627), (685, 202283), (815, 170017), (1241, 111655), (2329, 59495), (2771, 50005), (6205, 22331), (10001, 13855), (11645, 11899)]