439889665

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 551849760

約数和(自身を除く): 111960095

約数列:

[1, 5, 53, 97, 109, 157, 265, 485, 545, 785, 5141, 5777, 8321, 10573, 15229, 17113, 25705, 28885, 41605, 52865, 76145, 85565, 560369, 807137, 906989, 1659961, 2801845, 4035685, 4534945, 8299805, 87977933, 439889665]

約数ペア:

[(1, 439889665), (5, 87977933), (53, 8299805), (97, 4534945), (109, 4035685), (157, 2801845), (265, 1659961), (485, 906989), (545, 807137), (785, 560369), (5141, 85565), (5777, 76145), (8321, 52865), (10573, 41605), (15229, 28885), (17113, 25705)]