25490556

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:312

約数の個数: 144

約数和(自身を含む): 82188288

約数和(自身を除く): 56697732

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 31, 36, 39, 42, 52, 62, 63, 78, 84, 91, 93, 117, 124, 126, 156, 182, 186, 217, 234, 251, 252, 273, 279, 364, 372, 403, 434, 468, 502, 546, 558, 651, 753, 806, 819, 868, 1004, 1092, 1116, 1209, 1302, 1506, 1612, 1638, 1757, 1953, 2259, 2418, 2604, 2821, 3012, 3263, 3276, 3514, 3627, 3906, 4518, 4836, 5271, 5642, 6526, 7028, 7254, 7781, 7812, 8463, 9036, 9789, 10542, 11284, 13052, 14508, 15562, 15813, 16926, 19578, 21084, 22841, 23343, 25389, 29367, 31124, 31626, 33852, 39156, 45682, 46686, 50778, 54467, 58734, 63252, 68523, 70029, 91364, 93372, 101153, 101556, 108934, 117468, 137046, 140058, 163401, 202306, 205569, 217868, 274092, 280116, 303459, 326802, 404612, 411138, 490203, 606918, 653604, 708071, 822276, 910377, 980406, 1213836, 1416142, 1820754, 1960812, 2124213, 2832284, 3641508, 4248426, 6372639, 8496852, 12745278, 25490556]

約数ペア:

[(1, 25490556), (2, 12745278), (3, 8496852), (4, 6372639), (6, 4248426), (7, 3641508), (9, 2832284), (12, 2124213), (13, 1960812), (14, 1820754), (18, 1416142), (21, 1213836), (26, 980406), (28, 910377), (31, 822276), (36, 708071), (39, 653604), (42, 606918), (52, 490203), (62, 411138), (63, 404612), (78, 326802), (84, 303459), (91, 280116), (93, 274092), (117, 217868), (124, 205569), (126, 202306), (156, 163401), (182, 140058), (186, 137046), (217, 117468), (234, 108934), (251, 101556), (252, 101153), (273, 93372), (279, 91364), (364, 70029), (372, 68523), (403, 63252), (434, 58734), (468, 54467), (502, 50778), (546, 46686), (558, 45682), (651, 39156), (753, 33852), (806, 31626), (819, 31124), (868, 29367), (1004, 25389), (1092, 23343), (1116, 22841), (1209, 21084), (1302, 19578), (1506, 16926), (1612, 15813), (1638, 15562), (1757, 14508), (1953, 13052), (2259, 11284), (2418, 10542), (2604, 9789), (2821, 9036), (3012, 8463), (3263, 7812), (3276, 7781), (3514, 7254), (3627, 7028), (3906, 6526), (4518, 5642), (4836, 5271)]