77421421

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{601}}^1$

素因数の和:865

約数の個数: 24

約数和(自身を含む): 98824320

約数和(自身を除く): 21402899

約数列:

[1, 7, 11, 49, 77, 239, 539, 601, 1673, 2629, 4207, 6611, 11711, 18403, 29449, 46277, 128821, 143639, 323939, 1005473, 1580029, 7038311, 11060203, 77421421]

約数ペア:

[(1, 77421421), (7, 11060203), (11, 7038311), (49, 1580029), (77, 1005473), (239, 323939), (539, 143639), (601, 128821), (1673, 46277), (2629, 29449), (4207, 18403), (6611, 11711)]