398901471714

素因数分解:

$2^1\times 3^3\times {\mathrm{421}}^1\times {\mathrm{449}}^1\times {\mathrm{39079}}^1$

素因数の和:39960

約数の個数: 64

約数和(自身を含む): 890555040000

約数和(自身を除く): 491653568286

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 421, 449, 842, 898, 1263, 1347, 2526, 2694, 3789, 4041, 7578, 8082, 11367, 12123, 22734, 24246, 39079, 78158, 117237, 189029, 234474, 351711, 378058, 567087, 703422, 1055133, 1134174, 1701261, 2110266, 3402522, 5103783, 10207566, 16452259, 17546471, 32904518, 35092942, 49356777, 52639413, 98713554, 105278826, 148070331, 157918239, 296140662, 315836478, 444210993, 473754717, 888421986, 947509434, 7387064291, 14774128582, 22161192873, 44322385746, 66483578619, 132967157238, 199450735857, 398901471714]

約数ペア:

[(1, 398901471714), (2, 199450735857), (3, 132967157238), (6, 66483578619), (9, 44322385746), (18, 22161192873), (27, 14774128582), (54, 7387064291), (421, 947509434), (449, 888421986), (842, 473754717), (898, 444210993), (1263, 315836478), (1347, 296140662), (2526, 157918239), (2694, 148070331), (3789, 105278826), (4041, 98713554), (7578, 52639413), (8082, 49356777), (11367, 35092942), (12123, 32904518), (22734, 17546471), (24246, 16452259), (39079, 10207566), (78158, 5103783), (117237, 3402522), (189029, 2110266), (234474, 1701261), (351711, 1134174), (378058, 1055133), (567087, 703422)]