78706775

素因数分解:

$5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 116058048

約数和(自身を除く): 37351273

約数列:

[1, 5, 7, 25, 35, 61, 73, 101, 175, 305, 365, 427, 505, 511, 707, 1525, 1825, 2135, 2525, 2555, 3535, 4453, 6161, 7373, 10675, 12775, 17675, 22265, 30805, 31171, 36865, 43127, 51611, 111325, 154025, 155855, 184325, 215635, 258055, 449753, 779275, 1078175, 1290275, 2248765, 3148271, 11243825, 15741355, 78706775]

約数ペア:

[(1, 78706775), (5, 15741355), (7, 11243825), (25, 3148271), (35, 2248765), (61, 1290275), (73, 1078175), (101, 779275), (175, 449753), (305, 258055), (365, 215635), (427, 184325), (505, 155855), (511, 154025), (707, 111325), (1525, 51611), (1825, 43127), (2135, 36865), (2525, 31171), (2555, 30805), (3535, 22265), (4453, 17675), (6161, 12775), (7373, 10675)]