257385576

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{90121}}^1$

素因数の和:90154

約数の個数: 64

約数和(自身を含む): 778654080

約数和(自身を除く): 521268504

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 42, 51, 56, 68, 84, 102, 119, 136, 168, 204, 238, 357, 408, 476, 714, 952, 1428, 2856, 90121, 180242, 270363, 360484, 540726, 630847, 720968, 1081452, 1261694, 1532057, 1892541, 2162904, 2523388, 3064114, 3785082, 4596171, 5046776, 6128228, 7570164, 9192342, 10724399, 12256456, 15140328, 18384684, 21448798, 32173197, 36769368, 42897596, 64346394, 85795192, 128692788, 257385576]

約数ペア:

[(1, 257385576), (2, 128692788), (3, 85795192), (4, 64346394), (6, 42897596), (7, 36769368), (8, 32173197), (12, 21448798), (14, 18384684), (17, 15140328), (21, 12256456), (24, 10724399), (28, 9192342), (34, 7570164), (42, 6128228), (51, 5046776), (56, 4596171), (68, 3785082), (84, 3064114), (102, 2523388), (119, 2162904), (136, 1892541), (168, 1532057), (204, 1261694), (238, 1081452), (357, 720968), (408, 630847), (476, 540726), (714, 360484), (952, 270363), (1428, 180242), (2856, 90121)]