81547284

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1409}}^1$

素因数の和:1489

約数の個数: 96

約数和(自身を含む): 238775040

約数和(自身を除く): 157227756

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 53, 78, 84, 91, 106, 156, 159, 182, 212, 273, 318, 364, 371, 546, 636, 689, 742, 1092, 1113, 1378, 1409, 1484, 2067, 2226, 2756, 2818, 4134, 4227, 4452, 4823, 5636, 8268, 8454, 9646, 9863, 14469, 16908, 18317, 19292, 19726, 28938, 29589, 36634, 39452, 54951, 57876, 59178, 73268, 74677, 109902, 118356, 128219, 149354, 219804, 224031, 256438, 298708, 384657, 448062, 512876, 522739, 769314, 896124, 970801, 1045478, 1538628, 1568217, 1941602, 2090956, 2912403, 3136434, 3883204, 5824806, 6272868, 6795607, 11649612, 13591214, 20386821, 27182428, 40773642, 81547284]

約数ペア:

[(1, 81547284), (2, 40773642), (3, 27182428), (4, 20386821), (6, 13591214), (7, 11649612), (12, 6795607), (13, 6272868), (14, 5824806), (21, 3883204), (26, 3136434), (28, 2912403), (39, 2090956), (42, 1941602), (52, 1568217), (53, 1538628), (78, 1045478), (84, 970801), (91, 896124), (106, 769314), (156, 522739), (159, 512876), (182, 448062), (212, 384657), (273, 298708), (318, 256438), (364, 224031), (371, 219804), (546, 149354), (636, 128219), (689, 118356), (742, 109902), (1092, 74677), (1113, 73268), (1378, 59178), (1409, 57876), (1484, 54951), (2067, 39452), (2226, 36634), (2756, 29589), (2818, 28938), (4134, 19726), (4227, 19292), (4452, 18317), (4823, 16908), (5636, 14469), (8268, 9863), (8454, 9646)]