398704628

素因数分解:

$2^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{181}}^1\times {\mathrm{521}}^1$

素因数の和:864

約数の個数: 48

約数和(自身を含む): 808674048

約数和(自身を除く): 409969420

約数列:

[1, 2, 4, 7, 14, 28, 151, 181, 302, 362, 521, 604, 724, 1042, 1057, 1267, 2084, 2114, 2534, 3647, 4228, 5068, 7294, 14588, 27331, 54662, 78671, 94301, 109324, 157342, 188602, 191317, 314684, 377204, 382634, 550697, 660107, 765268, 1101394, 1320214, 2202788, 2640428, 14239451, 28478902, 56957804, 99676157, 199352314, 398704628]

約数ペア:

[(1, 398704628), (2, 199352314), (4, 99676157), (7, 56957804), (14, 28478902), (28, 14239451), (151, 2640428), (181, 2202788), (302, 1320214), (362, 1101394), (521, 765268), (604, 660107), (724, 550697), (1042, 382634), (1057, 377204), (1267, 314684), (2084, 191317), (2114, 188602), (2534, 157342), (3647, 109324), (4228, 94301), (5068, 78671), (7294, 54662), (14588, 27331)]