661273648

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1\times {\mathrm{673}}^1$

素因数の和:1002

約数の個数: 80

約数和(自身を含む): 1519077376

約数和(自身を除く): 857803728

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 283, 434, 496, 566, 673, 868, 1132, 1346, 1736, 1981, 2264, 2692, 3472, 3962, 4528, 4711, 5384, 7924, 8773, 9422, 10768, 15848, 17546, 18844, 20863, 31696, 35092, 37688, 41726, 61411, 70184, 75376, 83452, 122822, 140368, 146041, 166904, 190459, 245644, 292082, 333808, 380918, 491288, 584164, 761836, 982576, 1168328, 1333213, 1523672, 2336656, 2666426, 3047344, 5332852, 5904229, 10665704, 11808458, 21331408, 23616916, 41329603, 47233832, 82659206, 94467664, 165318412, 330636824, 661273648]

約数ペア:

[(1, 661273648), (2, 330636824), (4, 165318412), (7, 94467664), (8, 82659206), (14, 47233832), (16, 41329603), (28, 23616916), (31, 21331408), (56, 11808458), (62, 10665704), (112, 5904229), (124, 5332852), (217, 3047344), (248, 2666426), (283, 2336656), (434, 1523672), (496, 1333213), (566, 1168328), (673, 982576), (868, 761836), (1132, 584164), (1346, 491288), (1736, 380918), (1981, 333808), (2264, 292082), (2692, 245644), (3472, 190459), (3962, 166904), (4528, 146041), (4711, 140368), (5384, 122822), (7924, 83452), (8773, 75376), (9422, 70184), (10768, 61411), (15848, 41726), (17546, 37688), (18844, 35092), (20863, 31696)]