77280215

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{293}}^1$

素因数の和:451

約数の個数: 32

約数和(自身を含む): 102876480

約数和(自身を除く): 25596265

約数列:

[1, 5, 17, 29, 85, 107, 145, 293, 493, 535, 1465, 1819, 2465, 3103, 4981, 8497, 9095, 15515, 24905, 31351, 42485, 52751, 144449, 156755, 263755, 532967, 722245, 909179, 2664835, 4545895, 15456043, 77280215]

約数ペア:

[(1, 77280215), (5, 15456043), (17, 4545895), (29, 2664835), (85, 909179), (107, 722245), (145, 532967), (293, 263755), (493, 156755), (535, 144449), (1465, 52751), (1819, 42485), (2465, 31351), (3103, 24905), (4981, 15515), (8497, 9095)]