258698965

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:266

約数の個数: 64

約数和(自身を含む): 390297600

約数和(自身を除く): 131598635

約数列:

[1, 5, 7, 19, 35, 43, 83, 95, 109, 133, 215, 301, 415, 545, 581, 665, 763, 817, 1505, 1577, 2071, 2905, 3569, 3815, 4085, 4687, 5719, 7885, 9047, 10355, 11039, 14497, 17845, 23435, 24983, 28595, 32809, 45235, 55195, 63329, 67811, 72485, 89053, 124915, 164045, 171893, 316645, 339055, 389021, 445265, 474677, 623371, 859465, 1203251, 1945105, 2373385, 2723147, 3116855, 6016255, 7391399, 13615735, 36956995, 51739793, 258698965]

約数ペア:

[(1, 258698965), (5, 51739793), (7, 36956995), (19, 13615735), (35, 7391399), (43, 6016255), (83, 3116855), (95, 2723147), (109, 2373385), (133, 1945105), (215, 1203251), (301, 859465), (415, 623371), (545, 474677), (581, 445265), (665, 389021), (763, 339055), (817, 316645), (1505, 171893), (1577, 164045), (2071, 124915), (2905, 89053), (3569, 72485), (3815, 67811), (4085, 63329), (4687, 55195), (5719, 45235), (7885, 32809), (9047, 28595), (10355, 24983), (11039, 23435), (14497, 17845)]