12915410

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:191

約数の個数: 48

約数和(自身を含む): 25530120

約数和(自身を除く): 12614710

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 109, 170, 205, 218, 289, 410, 545, 578, 697, 1090, 1394, 1445, 1853, 2890, 3485, 3706, 4469, 6970, 8938, 9265, 11849, 18530, 22345, 23698, 31501, 44690, 59245, 63002, 75973, 118490, 151946, 157505, 315010, 379865, 759730, 1291541, 2583082, 6457705, 12915410]

約数ペア:

[(1, 12915410), (2, 6457705), (5, 2583082), (10, 1291541), (17, 759730), (34, 379865), (41, 315010), (82, 157505), (85, 151946), (109, 118490), (170, 75973), (205, 63002), (218, 59245), (289, 44690), (410, 31501), (545, 23698), (578, 22345), (697, 18530), (1090, 11849), (1394, 9265), (1445, 8938), (1853, 6970), (2890, 4469), (3485, 3706)]