81076866

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{491}}^1$

素因数の和:611

約数の個数: 64

約数和(自身を含む): 183496320

約数和(自身を除く): 102419454

約数列:

[1, 2, 3, 6, 13, 26, 29, 39, 58, 73, 78, 87, 146, 174, 219, 377, 438, 491, 754, 949, 982, 1131, 1473, 1898, 2117, 2262, 2847, 2946, 4234, 5694, 6351, 6383, 12702, 12766, 14239, 19149, 27521, 28478, 35843, 38298, 42717, 55042, 71686, 82563, 85434, 107529, 165126, 185107, 215058, 370214, 465959, 555321, 931918, 1039447, 1110642, 1397877, 2078894, 2795754, 3118341, 6236682, 13512811, 27025622, 40538433, 81076866]

約数ペア:

[(1, 81076866), (2, 40538433), (3, 27025622), (6, 13512811), (13, 6236682), (26, 3118341), (29, 2795754), (39, 2078894), (58, 1397877), (73, 1110642), (78, 1039447), (87, 931918), (146, 555321), (174, 465959), (219, 370214), (377, 215058), (438, 185107), (491, 165126), (754, 107529), (949, 85434), (982, 82563), (1131, 71686), (1473, 55042), (1898, 42717), (2117, 38298), (2262, 35843), (2847, 28478), (2946, 27521), (4234, 19149), (5694, 14239), (6351, 12766), (6383, 12702)]