15889390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{293}}^1$

素因数の和:357

約数の個数: 64

約数和(自身を含む): 34292160

約数和(自身を除く): 18402770

約数列:

[1, 2, 5, 10, 11, 17, 22, 29, 34, 55, 58, 85, 110, 145, 170, 187, 290, 293, 319, 374, 493, 586, 638, 935, 986, 1465, 1595, 1870, 2465, 2930, 3190, 3223, 4930, 4981, 5423, 6446, 8497, 9962, 10846, 16115, 16994, 24905, 27115, 32230, 42485, 49810, 54230, 54791, 84970, 93467, 109582, 144449, 186934, 273955, 288898, 467335, 547910, 722245, 934670, 1444490, 1588939, 3177878, 7944695, 15889390]

約数ペア:

[(1, 15889390), (2, 7944695), (5, 3177878), (10, 1588939), (11, 1444490), (17, 934670), (22, 722245), (29, 547910), (34, 467335), (55, 288898), (58, 273955), (85, 186934), (110, 144449), (145, 109582), (170, 93467), (187, 84970), (290, 54791), (293, 54230), (319, 49810), (374, 42485), (493, 32230), (586, 27115), (638, 24905), (935, 16994), (986, 16115), (1465, 10846), (1595, 9962), (1870, 8497), (2465, 6446), (2930, 5423), (3190, 4981), (3223, 4930)]