31520216

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1493}}^1$

素因数の和:1548

約数の個数: 64

約数和(自身を含む): 75297600

約数和(自身を除く): 43777384

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 29, 52, 56, 58, 91, 104, 116, 182, 203, 232, 364, 377, 406, 728, 754, 812, 1493, 1508, 1624, 2639, 2986, 3016, 5278, 5972, 10451, 10556, 11944, 19409, 20902, 21112, 38818, 41804, 43297, 77636, 83608, 86594, 135863, 155272, 173188, 271726, 303079, 346376, 543452, 562861, 606158, 1086904, 1125722, 1212316, 2251444, 2424632, 3940027, 4502888, 7880054, 15760108, 31520216]

約数ペア:

[(1, 31520216), (2, 15760108), (4, 7880054), (7, 4502888), (8, 3940027), (13, 2424632), (14, 2251444), (26, 1212316), (28, 1125722), (29, 1086904), (52, 606158), (56, 562861), (58, 543452), (91, 346376), (104, 303079), (116, 271726), (182, 173188), (203, 155272), (232, 135863), (364, 86594), (377, 83608), (406, 77636), (728, 43297), (754, 41804), (812, 38818), (1493, 21112), (1508, 20902), (1624, 19409), (2639, 11944), (2986, 10556), (3016, 10451), (5278, 5972)]