251864639

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{21503}}^1$

素因数の和:21586

約数の個数: 16

約数和(自身を含む): 292626432

約数和(自身を除く): 40761793

約数列:

[1, 13, 17, 53, 221, 689, 901, 11713, 21503, 279539, 365551, 1139659, 4752163, 14815567, 19374203, 251864639]

約数ペア:

[(1, 251864639), (13, 19374203), (17, 14815567), (53, 4752163), (221, 1139659), (689, 365551), (901, 279539), (11713, 21503)]