7801996865

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1\times {\mathrm{449}}^1$

素因数の和:746

約数の個数: 64

約数和(自身を含む): 10777536000

約数和(自身を除く): 2975539135

約数列:

[1, 5, 13, 23, 59, 65, 115, 197, 295, 299, 449, 767, 985, 1357, 1495, 2245, 2561, 3835, 4531, 5837, 6785, 10327, 11623, 12805, 17641, 22655, 26491, 29185, 51635, 58115, 58903, 88205, 88453, 132455, 134251, 151099, 267329, 294515, 344383, 442265, 609293, 671255, 755495, 1149889, 1336645, 1721915, 2034419, 3046465, 3475277, 5218727, 5749445, 7920809, 10172095, 17376385, 26093635, 26447447, 39604045, 67843451, 120030721, 132237235, 339217255, 600153605, 1560399373, 7801996865]

約数ペア:

[(1, 7801996865), (5, 1560399373), (13, 600153605), (23, 339217255), (59, 132237235), (65, 120030721), (115, 67843451), (197, 39604045), (295, 26447447), (299, 26093635), (449, 17376385), (767, 10172095), (985, 7920809), (1357, 5749445), (1495, 5218727), (2245, 3475277), (2561, 3046465), (3835, 2034419), (4531, 1721915), (5837, 1336645), (6785, 1149889), (10327, 755495), (11623, 671255), (12805, 609293), (17641, 442265), (22655, 344383), (26491, 294515), (29185, 267329), (51635, 151099), (58115, 134251), (58903, 132455), (88205, 88453)]