221374258

素因数分解:

$2^1\times 7^3\times {\mathrm{313}}^1\times {\mathrm{1031}}^1$

素因数の和:1367

約数の個数: 32

約数和(自身を含む): 388857600

約数和(自身を除く): 167483342

約数列:

[1, 2, 7, 14, 49, 98, 313, 343, 626, 686, 1031, 2062, 2191, 4382, 7217, 14434, 15337, 30674, 50519, 101038, 107359, 214718, 322703, 353633, 645406, 707266, 2258921, 4517842, 15812447, 31624894, 110687129, 221374258]

約数ペア:

[(1, 221374258), (2, 110687129), (7, 31624894), (14, 15812447), (49, 4517842), (98, 2258921), (313, 707266), (343, 645406), (626, 353633), (686, 322703), (1031, 214718), (2062, 107359), (2191, 101038), (4382, 50519), (7217, 30674), (14434, 15337)]