81095116

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{311}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 155151360

約数和(自身を除く): 74056244

約数列:

[1, 2, 4, 19, 38, 47, 73, 76, 94, 146, 188, 292, 311, 622, 893, 1244, 1387, 1786, 2774, 3431, 3572, 5548, 5909, 6862, 11818, 13724, 14617, 22703, 23636, 29234, 45406, 58468, 65189, 90812, 130378, 260756, 277723, 431357, 555446, 862714, 1067041, 1110892, 1725428, 2134082, 4268164, 20273779, 40547558, 81095116]

約数ペア:

[(1, 81095116), (2, 40547558), (4, 20273779), (19, 4268164), (38, 2134082), (47, 1725428), (73, 1110892), (76, 1067041), (94, 862714), (146, 555446), (188, 431357), (292, 277723), (311, 260756), (622, 130378), (893, 90812), (1244, 65189), (1387, 58468), (1786, 45406), (2774, 29234), (3431, 23636), (3572, 22703), (5548, 14617), (5909, 13724), (6862, 11818)]