640129464

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{683899}}^1$

素因数の和:683924

約数の個数: 48

約数和(自身を含む): 1867047000

約数和(自身を除く): 1226917536

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 683899, 1367798, 2051697, 2735596, 4103394, 5471192, 6155091, 8206788, 8890687, 12310182, 16413576, 17781374, 24620364, 26672061, 35562748, 49240728, 53344122, 71125496, 80016183, 106688244, 160032366, 213376488, 320064732, 640129464]

約数ペア:

[(1, 640129464), (2, 320064732), (3, 213376488), (4, 160032366), (6, 106688244), (8, 80016183), (9, 71125496), (12, 53344122), (13, 49240728), (18, 35562748), (24, 26672061), (26, 24620364), (36, 17781374), (39, 16413576), (52, 12310182), (72, 8890687), (78, 8206788), (104, 6155091), (117, 5471192), (156, 4103394), (234, 2735596), (312, 2051697), (468, 1367798), (936, 683899)]