81223596

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{997}}^1$

素因数の和:1111

約数の個数: 72

約数和(自身を含む): 215057024

約数和(自身を除く): 133833428

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 73, 93, 124, 146, 186, 219, 279, 292, 372, 438, 558, 657, 876, 997, 1116, 1314, 1994, 2263, 2628, 2991, 3988, 4526, 5982, 6789, 8973, 9052, 11964, 13578, 17946, 20367, 27156, 30907, 35892, 40734, 61814, 72781, 81468, 92721, 123628, 145562, 185442, 218343, 278163, 291124, 370884, 436686, 556326, 655029, 873372, 1112652, 1310058, 2256211, 2620116, 4512422, 6768633, 9024844, 13537266, 20305899, 27074532, 40611798, 81223596]

約数ペア:

[(1, 81223596), (2, 40611798), (3, 27074532), (4, 20305899), (6, 13537266), (9, 9024844), (12, 6768633), (18, 4512422), (31, 2620116), (36, 2256211), (62, 1310058), (73, 1112652), (93, 873372), (124, 655029), (146, 556326), (186, 436686), (219, 370884), (279, 291124), (292, 278163), (372, 218343), (438, 185442), (558, 145562), (657, 123628), (876, 92721), (997, 81468), (1116, 72781), (1314, 61814), (1994, 40734), (2263, 35892), (2628, 30907), (2991, 27156), (3988, 20367), (4526, 17946), (5982, 13578), (6789, 11964), (8973, 9052)]