39979156

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 82494720

約数和(自身を除く): 42515564

約数列:

[1, 2, 4, 7, 14, 28, 61, 89, 122, 178, 244, 263, 356, 427, 526, 623, 854, 1052, 1246, 1708, 1841, 2492, 3682, 5429, 7364, 10858, 16043, 21716, 23407, 32086, 38003, 46814, 64172, 76006, 93628, 112301, 152012, 163849, 224602, 327698, 449204, 655396, 1427827, 2855654, 5711308, 9994789, 19989578, 39979156]

約数ペア:

[(1, 39979156), (2, 19989578), (4, 9994789), (7, 5711308), (14, 2855654), (28, 1427827), (61, 655396), (89, 449204), (122, 327698), (178, 224602), (244, 163849), (263, 152012), (356, 112301), (427, 93628), (526, 76006), (623, 64172), (854, 46814), (1052, 38003), (1246, 32086), (1708, 23407), (1841, 21716), (2492, 16043), (3682, 10858), (5429, 7364)]