257323416

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{22861}}^1$

素因数の和:22944

約数の個数: 64

約数和(自身を含む): 746215680

約数和(自身を除く): 488892264

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 67, 84, 134, 168, 201, 268, 402, 469, 536, 804, 938, 1407, 1608, 1876, 2814, 3752, 5628, 11256, 22861, 45722, 68583, 91444, 137166, 160027, 182888, 274332, 320054, 480081, 548664, 640108, 960162, 1280216, 1531687, 1920324, 3063374, 3840648, 4595061, 6126748, 9190122, 10721809, 12253496, 18380244, 21443618, 32165427, 36760488, 42887236, 64330854, 85774472, 128661708, 257323416]

約数ペア:

[(1, 257323416), (2, 128661708), (3, 85774472), (4, 64330854), (6, 42887236), (7, 36760488), (8, 32165427), (12, 21443618), (14, 18380244), (21, 12253496), (24, 10721809), (28, 9190122), (42, 6126748), (56, 4595061), (67, 3840648), (84, 3063374), (134, 1920324), (168, 1531687), (201, 1280216), (268, 960162), (402, 640108), (469, 548664), (536, 480081), (804, 320054), (938, 274332), (1407, 182888), (1608, 160027), (1876, 137166), (2814, 91444), (3752, 68583), (5628, 45722), (11256, 22861)]