521550988

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1\times {\mathrm{2213}}^1$

素因数の和:2686

約数の個数: 48

約数和(自身を含む): 1100977920

約数和(自身を除く): 579426932

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 443, 532, 886, 1772, 2213, 3101, 4426, 6202, 8417, 8852, 12404, 15491, 16834, 30982, 33668, 42047, 58919, 61964, 84094, 117838, 168188, 235676, 294329, 588658, 980359, 1177316, 1960718, 3921436, 6862513, 13725026, 18626821, 27450052, 37253642, 74507284, 130387747, 260775494, 521550988]

約数ペア:

[(1, 521550988), (2, 260775494), (4, 130387747), (7, 74507284), (14, 37253642), (19, 27450052), (28, 18626821), (38, 13725026), (76, 6862513), (133, 3921436), (266, 1960718), (443, 1177316), (532, 980359), (886, 588658), (1772, 294329), (2213, 235676), (3101, 168188), (4426, 117838), (6202, 84094), (8417, 61964), (8852, 58919), (12404, 42047), (15491, 33668), (16834, 30982)]