28371128731

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1\times {\mathrm{193}}^1$

素因数の和:524

約数の個数: 64

約数和(自身を含む): 33698414592

約数和(自身を除く): 5327285861

約数列:

[1, 11, 31, 37, 61, 191, 193, 341, 407, 671, 1147, 1891, 2101, 2123, 2257, 5921, 5983, 7067, 7141, 11651, 11773, 12617, 20801, 24827, 36863, 65131, 65813, 69967, 77737, 78551, 128161, 129503, 219077, 221371, 361181, 364963, 405493, 431087, 435601, 769637, 1142753, 1363931, 2248643, 2409847, 2435081, 3972991, 4014593, 4741957, 4791611, 12570283, 13363697, 13503631, 15003241, 24735073, 42281861, 69707933, 83199791, 147000667, 148539941, 465100471, 766787263, 915197701, 2579193521, 28371128731]

約数ペア:

[(1, 28371128731), (11, 2579193521), (31, 915197701), (37, 766787263), (61, 465100471), (191, 148539941), (193, 147000667), (341, 83199791), (407, 69707933), (671, 42281861), (1147, 24735073), (1891, 15003241), (2101, 13503631), (2123, 13363697), (2257, 12570283), (5921, 4791611), (5983, 4741957), (7067, 4014593), (7141, 3972991), (11651, 2435081), (11773, 2409847), (12617, 2248643), (20801, 1363931), (24827, 1142753), (36863, 769637), (65131, 435601), (65813, 431087), (69967, 405493), (77737, 364963), (78551, 361181), (128161, 221371), (129503, 219077)]