31937984

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1669}}^1$

素因数の和:1717

約数の個数: 56

約数和(自身を含む): 71262240

約数和(自身を除く): 39324256

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 46, 52, 64, 92, 104, 184, 208, 299, 368, 416, 598, 736, 832, 1196, 1472, 1669, 2392, 3338, 4784, 6676, 9568, 13352, 19136, 21697, 26704, 38387, 43394, 53408, 76774, 86788, 106816, 153548, 173576, 307096, 347152, 499031, 614192, 694304, 998062, 1228384, 1388608, 1996124, 2456768, 3992248, 7984496, 15968992, 31937984]

約数ペア:

[(1, 31937984), (2, 15968992), (4, 7984496), (8, 3992248), (13, 2456768), (16, 1996124), (23, 1388608), (26, 1228384), (32, 998062), (46, 694304), (52, 614192), (64, 499031), (92, 347152), (104, 307096), (184, 173576), (208, 153548), (299, 106816), (368, 86788), (416, 76774), (598, 53408), (736, 43394), (832, 38387), (1196, 26704), (1472, 21697), (1669, 19136), (2392, 13352), (3338, 9568), (4784, 6676)]