668421754

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{397}}^1$

素因数の和:488

約数の個数: 96

約数和(自身を含む): 1397725056

約数和(自身を除く): 729303302

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 29, 58, 77, 91, 143, 154, 182, 203, 286, 319, 377, 397, 406, 638, 754, 794, 841, 1001, 1682, 2002, 2233, 2639, 2779, 4147, 4367, 4466, 5161, 5278, 5558, 5887, 8294, 8734, 9251, 10322, 10933, 11513, 11774, 18502, 21866, 23026, 29029, 30569, 36127, 56771, 58058, 61138, 64757, 72254, 76531, 80591, 113542, 120263, 126643, 129514, 149669, 153062, 161182, 240526, 253286, 299338, 333877, 397397, 667754, 794794, 841841, 886501, 1047683, 1646359, 1683682, 1773002, 2095366, 2337139, 3292718, 3672647, 4340401, 4674278, 7345294, 8680802, 11524513, 23049026, 25708529, 30382807, 47744411, 51417058, 60765614, 95488822, 334210877, 668421754]

約数ペア:

[(1, 668421754), (2, 334210877), (7, 95488822), (11, 60765614), (13, 51417058), (14, 47744411), (22, 30382807), (26, 25708529), (29, 23049026), (58, 11524513), (77, 8680802), (91, 7345294), (143, 4674278), (154, 4340401), (182, 3672647), (203, 3292718), (286, 2337139), (319, 2095366), (377, 1773002), (397, 1683682), (406, 1646359), (638, 1047683), (754, 886501), (794, 841841), (841, 794794), (1001, 667754), (1682, 397397), (2002, 333877), (2233, 299338), (2639, 253286), (2779, 240526), (4147, 161182), (4367, 153062), (4466, 149669), (5161, 129514), (5278, 126643), (5558, 120263), (5887, 113542), (8294, 80591), (8734, 76531), (9251, 72254), (10322, 64757), (10933, 61138), (11513, 58058), (11774, 56771), (18502, 36127), (21866, 30569), (23026, 29029)]