81344550

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{77471}}^1$

素因数の和:77493

約数の個数: 48

約数和(自身を含む): 230556672

約数和(自身を除く): 149212122

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 150, 175, 210, 350, 525, 1050, 77471, 154942, 232413, 387355, 464826, 542297, 774710, 1084594, 1162065, 1626891, 1936775, 2324130, 2711485, 3253782, 3873550, 5422970, 5810325, 8134455, 11620650, 13557425, 16268910, 27114850, 40672275, 81344550]

約数ペア:

[(1, 81344550), (2, 40672275), (3, 27114850), (5, 16268910), (6, 13557425), (7, 11620650), (10, 8134455), (14, 5810325), (15, 5422970), (21, 3873550), (25, 3253782), (30, 2711485), (35, 2324130), (42, 1936775), (50, 1626891), (70, 1162065), (75, 1084594), (105, 774710), (150, 542297), (175, 464826), (210, 387355), (350, 232413), (525, 154942), (1050, 77471)]