291231174

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2801}}^1$

素因数の和:2893

約数の個数: 64

約数和(自身を含む): 662796288

約数和(自身を除く): 371565114

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 43, 62, 78, 86, 93, 129, 186, 258, 403, 559, 806, 1118, 1209, 1333, 1677, 2418, 2666, 2801, 3354, 3999, 5602, 7998, 8403, 16806, 17329, 34658, 36413, 51987, 72826, 86831, 103974, 109239, 120443, 173662, 218478, 240886, 260493, 361329, 520986, 722658, 1128803, 1565759, 2257606, 3131518, 3386409, 3733733, 4697277, 6772818, 7467466, 9394554, 11201199, 22402398, 48538529, 97077058, 145615587, 291231174]

約数ペア:

[(1, 291231174), (2, 145615587), (3, 97077058), (6, 48538529), (13, 22402398), (26, 11201199), (31, 9394554), (39, 7467466), (43, 6772818), (62, 4697277), (78, 3733733), (86, 3386409), (93, 3131518), (129, 2257606), (186, 1565759), (258, 1128803), (403, 722658), (559, 520986), (806, 361329), (1118, 260493), (1209, 240886), (1333, 218478), (1677, 173662), (2418, 120443), (2666, 109239), (2801, 103974), (3354, 86831), (3999, 72826), (5602, 51987), (7998, 36413), (8403, 34658), (16806, 17329)]