204631310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{50777}}^1$

素因数の和:50828

約数の個数: 32

約数和(自身を含む): 409473792

約数和(自身を除く): 204842482

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 50777, 101554, 253885, 507770, 660101, 1320202, 1574087, 3148174, 3300505, 6601010, 7870435, 15740870, 20463131, 40926262, 102315655, 204631310]

約数ペア:

[(1, 204631310), (2, 102315655), (5, 40926262), (10, 20463131), (13, 15740870), (26, 7870435), (31, 6601010), (62, 3300505), (65, 3148174), (130, 1574087), (155, 1320202), (310, 660101), (403, 507770), (806, 253885), (2015, 101554), (4030, 50777)]