251244528

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{121727}}^1$

素因数の和:121781

約数の個数: 40

約数和(自身を含む): 664147968

約数和(自身を除く): 412903440

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 258, 344, 516, 688, 1032, 2064, 121727, 243454, 365181, 486908, 730362, 973816, 1460724, 1947632, 2921448, 5234261, 5842896, 10468522, 15702783, 20937044, 31405566, 41874088, 62811132, 83748176, 125622264, 251244528]

約数ペア:

[(1, 251244528), (2, 125622264), (3, 83748176), (4, 62811132), (6, 41874088), (8, 31405566), (12, 20937044), (16, 15702783), (24, 10468522), (43, 5842896), (48, 5234261), (86, 2921448), (129, 1947632), (172, 1460724), (258, 973816), (344, 730362), (516, 486908), (688, 365181), (1032, 243454), (2064, 121727)]