678889274

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{15187}}^1$

素因数の和:15330

約数の個数: 32

約数和(自身を含む): 1213095936

約数和(自身を除く): 534206662

約数列:

[1, 2, 7, 14, 31, 62, 103, 206, 217, 434, 721, 1442, 3193, 6386, 15187, 22351, 30374, 44702, 106309, 212618, 470797, 941594, 1564261, 3128522, 3295579, 6591158, 10949827, 21899654, 48492091, 96984182, 339444637, 678889274]

約数ペア:

[(1, 678889274), (2, 339444637), (7, 96984182), (14, 48492091), (31, 21899654), (62, 10949827), (103, 6591158), (206, 3295579), (217, 3128522), (434, 1564261), (721, 941594), (1442, 470797), (3193, 212618), (6386, 106309), (15187, 44702), (22351, 30374)]