79878869

素因数分解:

$7^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:167

約数の個数: 40

約数和(自身を含む): 104869440

約数和(自身を除く): 24990571

約数列:

[1, 7, 17, 19, 49, 103, 119, 133, 323, 343, 721, 833, 931, 1751, 1957, 2261, 2401, 5047, 5831, 6517, 12257, 13699, 15827, 33269, 35329, 40817, 45619, 85799, 95893, 110789, 232883, 247303, 600593, 671251, 775523, 1630181, 4204151, 4698757, 11411267, 79878869]

約数ペア:

[(1, 79878869), (7, 11411267), (17, 4698757), (19, 4204151), (49, 1630181), (103, 775523), (119, 671251), (133, 600593), (323, 247303), (343, 232883), (721, 110789), (833, 95893), (931, 85799), (1751, 45619), (1957, 40817), (2261, 35329), (2401, 33269), (5047, 15827), (5831, 13699), (6517, 12257)]