646128156

素因数分解:

$2^2\times 3^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{2957}}^1$

素因数の和:3234

約数の個数: 48

約数和(自身を含む): 1530587520

約数和(自身を除く): 884459364

約数列:

[1, 2, 3, 4, 6, 12, 131, 139, 262, 278, 393, 417, 524, 556, 786, 834, 1572, 1668, 2957, 5914, 8871, 11828, 17742, 18209, 35484, 36418, 54627, 72836, 109254, 218508, 387367, 411023, 774734, 822046, 1162101, 1233069, 1549468, 1644092, 2324202, 2466138, 4648404, 4932276, 53844013, 107688026, 161532039, 215376052, 323064078, 646128156]

約数ペア:

[(1, 646128156), (2, 323064078), (3, 215376052), (4, 161532039), (6, 107688026), (12, 53844013), (131, 4932276), (139, 4648404), (262, 2466138), (278, 2324202), (393, 1644092), (417, 1549468), (524, 1233069), (556, 1162101), (786, 822046), (834, 774734), (1572, 411023), (1668, 387367), (2957, 218508), (5914, 109254), (8871, 72836), (11828, 54627), (17742, 36418), (18209, 35484)]