209277221036

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{317}}^1\times {\mathrm{239543}}^1$

素因数の和:239930

約数の個数: 48

約数和(自身を含む): 403118057664

約数和(自身を除く): 193840836628

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 317, 634, 689, 1268, 1378, 2756, 4121, 8242, 16484, 16801, 33602, 67204, 218413, 239543, 436826, 479086, 873652, 958172, 3114059, 6228118, 12456236, 12695779, 25391558, 50783116, 75935131, 151870262, 165045127, 303740524, 330090254, 660180508, 987156703, 1974313406, 3948626812, 4024561943, 8049123886, 16098247772, 52319305259, 104638610518, 209277221036]

約数ペア:

[(1, 209277221036), (2, 104638610518), (4, 52319305259), (13, 16098247772), (26, 8049123886), (52, 4024561943), (53, 3948626812), (106, 1974313406), (212, 987156703), (317, 660180508), (634, 330090254), (689, 303740524), (1268, 165045127), (1378, 151870262), (2756, 75935131), (4121, 50783116), (8242, 25391558), (16484, 12695779), (16801, 12456236), (33602, 6228118), (67204, 3114059), (218413, 958172), (239543, 873652), (436826, 479086)]