66678590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{197}}^1$

素因数の和:413

約数の個数: 64

約数和(自身を含む): 140107968

約数和(自身を除く): 73429378

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 181, 187, 197, 362, 374, 394, 905, 935, 985, 1810, 1870, 1970, 1991, 2167, 3077, 3349, 3982, 4334, 6154, 6698, 9955, 10835, 15385, 16745, 19910, 21670, 30770, 33490, 33847, 35657, 36839, 67694, 71314, 73678, 169235, 178285, 184195, 338470, 356570, 368390, 392227, 606169, 784454, 1212338, 1961135, 3030845, 3922270, 6061690, 6667859, 13335718, 33339295, 66678590]

約数ペア:

[(1, 66678590), (2, 33339295), (5, 13335718), (10, 6667859), (11, 6061690), (17, 3922270), (22, 3030845), (34, 1961135), (55, 1212338), (85, 784454), (110, 606169), (170, 392227), (181, 368390), (187, 356570), (197, 338470), (362, 184195), (374, 178285), (394, 169235), (905, 73678), (935, 71314), (985, 67694), (1810, 36839), (1870, 35657), (1970, 33847), (1991, 33490), (2167, 30770), (3077, 21670), (3349, 19910), (3982, 16745), (4334, 15385), (6154, 10835), (6698, 9955)]