31171504

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:378

約数の個数: 80

約数和(自身を含む): 75550720

約数和(自身を除く): 44379216

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 79, 91, 104, 112, 158, 182, 208, 271, 316, 364, 542, 553, 632, 728, 1027, 1084, 1106, 1264, 1456, 1897, 2054, 2168, 2212, 3523, 3794, 4108, 4336, 4424, 7046, 7189, 7588, 8216, 8848, 14092, 14378, 15176, 16432, 21409, 24661, 28184, 28756, 30352, 42818, 49322, 56368, 57512, 85636, 98644, 115024, 149863, 171272, 197288, 278317, 299726, 342544, 394576, 556634, 599452, 1113268, 1198904, 1948219, 2226536, 2397808, 3896438, 4453072, 7792876, 15585752, 31171504]

約数ペア:

[(1, 31171504), (2, 15585752), (4, 7792876), (7, 4453072), (8, 3896438), (13, 2397808), (14, 2226536), (16, 1948219), (26, 1198904), (28, 1113268), (52, 599452), (56, 556634), (79, 394576), (91, 342544), (104, 299726), (112, 278317), (158, 197288), (182, 171272), (208, 149863), (271, 115024), (316, 98644), (364, 85636), (542, 57512), (553, 56368), (632, 49322), (728, 42818), (1027, 30352), (1084, 28756), (1106, 28184), (1264, 24661), (1456, 21409), (1897, 16432), (2054, 15176), (2168, 14378), (2212, 14092), (3523, 8848), (3794, 8216), (4108, 7588), (4336, 7189), (4424, 7046)]