68974672

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{331609}}^1$

素因数の和:331630

約数の個数: 20

約数和(自身を含む): 143918740

約数和(自身を除く): 74944068

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 331609, 663218, 1326436, 2652872, 4310917, 5305744, 8621834, 17243668, 34487336, 68974672]

約数ペア:

[(1, 68974672), (2, 34487336), (4, 17243668), (8, 8621834), (13, 5305744), (16, 4310917), (26, 2652872), (52, 1326436), (104, 663218), (208, 331609)]