251304429

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{197}}^1$

素因数の和:437

約数の個数: 32

約数和(自身を含む): 351039744

約数和(自身を除く): 99735315

約数列:

[1, 3, 53, 71, 113, 159, 197, 213, 339, 591, 3763, 5989, 8023, 10441, 11289, 13987, 17967, 22261, 24069, 31323, 41961, 66783, 425219, 741311, 1179833, 1275657, 1580531, 2223933, 3539499, 4741593, 83768143, 251304429]

約数ペア:

[(1, 251304429), (3, 83768143), (53, 4741593), (71, 3539499), (113, 2223933), (159, 1580531), (197, 1275657), (213, 1179833), (339, 741311), (591, 425219), (3763, 66783), (5989, 41961), (8023, 31323), (10441, 24069), (11289, 22261), (13987, 17967)]