81917004

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1303}}^1$

素因数の和:1367

約数の個数: 72

約数和(自身を含む): 213814272

約数和(自身を除く): 131897268

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 169, 186, 338, 372, 403, 507, 676, 806, 1014, 1209, 1303, 1612, 2028, 2418, 2606, 3909, 4836, 5212, 5239, 7818, 10478, 15636, 15717, 16939, 20956, 31434, 33878, 40393, 50817, 62868, 67756, 80786, 101634, 121179, 161572, 203268, 220207, 242358, 440414, 484716, 525109, 660621, 880828, 1050218, 1321242, 1575327, 2100436, 2642484, 3150654, 6301308, 6826417, 13652834, 20479251, 27305668, 40958502, 81917004]

約数ペア:

[(1, 81917004), (2, 40958502), (3, 27305668), (4, 20479251), (6, 13652834), (12, 6826417), (13, 6301308), (26, 3150654), (31, 2642484), (39, 2100436), (52, 1575327), (62, 1321242), (78, 1050218), (93, 880828), (124, 660621), (156, 525109), (169, 484716), (186, 440414), (338, 242358), (372, 220207), (403, 203268), (507, 161572), (676, 121179), (806, 101634), (1014, 80786), (1209, 67756), (1303, 62868), (1612, 50817), (2028, 40393), (2418, 33878), (2606, 31434), (3909, 20956), (4836, 16939), (5212, 15717), (5239, 15636), (7818, 10478)]