40878579

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{499}}^1$

素因数の和:639

約数の個数: 32

約数和(自身を含む): 64512000

約数和(自身を除く): 23633421

約数列:

[1, 3, 7, 21, 47, 83, 141, 249, 329, 499, 581, 987, 1497, 1743, 3493, 3901, 10479, 11703, 23453, 27307, 41417, 70359, 81921, 124251, 164171, 289919, 492513, 869757, 1946599, 5839797, 13626193, 40878579]

約数ペア:

[(1, 40878579), (3, 13626193), (7, 5839797), (21, 1946599), (47, 869757), (83, 492513), (141, 289919), (249, 164171), (329, 124251), (499, 81921), (581, 70359), (987, 41417), (1497, 27307), (1743, 23453), (3493, 11703), (3901, 10479)]