90020474

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{419}}^1$

素因数の和:598

約数の個数: 32

約数和(自身を含む): 146966400

約数和(自身を除く): 56945926

約数列:

[1, 2, 17, 34, 71, 89, 142, 178, 419, 838, 1207, 1513, 2414, 3026, 6319, 7123, 12638, 14246, 29749, 37291, 59498, 74582, 107423, 214846, 505733, 633947, 1011466, 1267894, 2647661, 5295322, 45010237, 90020474]

約数ペア:

[(1, 90020474), (2, 45010237), (17, 5295322), (34, 2647661), (71, 1267894), (89, 1011466), (142, 633947), (178, 505733), (419, 214846), (838, 107423), (1207, 74582), (1513, 59498), (2414, 37291), (3026, 29749), (6319, 14246), (7123, 12638)]