428478505

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{659}}^1\times {\mathrm{1429}}^1$

素因数の和:2113

約数の個数: 32

約数和(自身を含む): 634233600

約数和(自身を除く): 205755095

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 659, 1429, 3295, 4613, 7145, 8567, 10003, 18577, 23065, 42835, 50015, 59969, 92885, 130039, 299845, 650195, 941711, 4708555, 6591977, 12242243, 32959885, 61211215, 85695701, 428478505]

約数ペア:

[(1, 428478505), (5, 85695701), (7, 61211215), (13, 32959885), (35, 12242243), (65, 6591977), (91, 4708555), (455, 941711), (659, 650195), (1429, 299845), (3295, 130039), (4613, 92885), (7145, 59969), (8567, 50015), (10003, 42835), (18577, 23065)]