666185494

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{431}}^1$

素因数の和:745

約数の個数: 48

約数和(自身を含む): 1152636480

約数和(自身を除く): 486450986

約数列:

[1, 2, 13, 17, 26, 34, 169, 221, 269, 338, 431, 442, 538, 862, 2873, 3497, 4573, 5603, 5746, 6994, 7327, 9146, 11206, 14654, 45461, 59449, 72839, 90922, 95251, 115939, 118898, 145678, 190502, 231878, 772837, 1238263, 1507207, 1545674, 1970963, 2476526, 3014414, 3941926, 19593691, 25622519, 39187382, 51245038, 333092747, 666185494]

約数ペア:

[(1, 666185494), (2, 333092747), (13, 51245038), (17, 39187382), (26, 25622519), (34, 19593691), (169, 3941926), (221, 3014414), (269, 2476526), (338, 1970963), (431, 1545674), (442, 1507207), (538, 1238263), (862, 772837), (2873, 231878), (3497, 190502), (4573, 145678), (5603, 118898), (5746, 115939), (6994, 95251), (7327, 90922), (9146, 72839), (11206, 59449), (14654, 45461)]