131097512

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:251

約数の個数: 128

約数和(自身を含む): 322775040

約数和(自身を除く): 191677528

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 37, 52, 56, 62, 74, 91, 104, 124, 148, 157, 182, 217, 248, 259, 296, 314, 364, 403, 434, 481, 518, 628, 728, 806, 868, 962, 1036, 1099, 1147, 1256, 1612, 1736, 1924, 2041, 2072, 2198, 2294, 2821, 3224, 3367, 3848, 4082, 4396, 4588, 4867, 5642, 5809, 6734, 8029, 8164, 8792, 9176, 9734, 11284, 11618, 13468, 14287, 14911, 16058, 16328, 19468, 22568, 23236, 26936, 28574, 29822, 32116, 34069, 38936, 40663, 46472, 57148, 59644, 63271, 64232, 68138, 75517, 81326, 104377, 114296, 119288, 126542, 136276, 151034, 162652, 180079, 208754, 253084, 272552, 302068, 325304, 360158, 417508, 442897, 506168, 528619, 604136, 720316, 835016, 885794, 1057238, 1260553, 1440632, 1771588, 2114476, 2341027, 2521106, 3543176, 4228952, 4682054, 5042212, 9364108, 10084424, 16387189, 18728216, 32774378, 65548756, 131097512]

約数ペア:

[(1, 131097512), (2, 65548756), (4, 32774378), (7, 18728216), (8, 16387189), (13, 10084424), (14, 9364108), (26, 5042212), (28, 4682054), (31, 4228952), (37, 3543176), (52, 2521106), (56, 2341027), (62, 2114476), (74, 1771588), (91, 1440632), (104, 1260553), (124, 1057238), (148, 885794), (157, 835016), (182, 720316), (217, 604136), (248, 528619), (259, 506168), (296, 442897), (314, 417508), (364, 360158), (403, 325304), (434, 302068), (481, 272552), (518, 253084), (628, 208754), (728, 180079), (806, 162652), (868, 151034), (962, 136276), (1036, 126542), (1099, 119288), (1147, 114296), (1256, 104377), (1612, 81326), (1736, 75517), (1924, 68138), (2041, 64232), (2072, 63271), (2198, 59644), (2294, 57148), (2821, 46472), (3224, 40663), (3367, 38936), (3848, 34069), (4082, 32116), (4396, 29822), (4588, 28574), (4867, 26936), (5642, 23236), (5809, 22568), (6734, 19468), (8029, 16328), (8164, 16058), (8792, 14911), (9176, 14287), (9734, 13468), (11284, 11618)]