257351276

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{293}}^1$

素因数の和:463

約数の個数: 96

約数和(自身を含む): 590069760

約数和(自身を除く): 332718484

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 127, 133, 182, 247, 254, 266, 293, 364, 494, 508, 532, 586, 889, 988, 1172, 1651, 1729, 1778, 2051, 2413, 3302, 3458, 3556, 3809, 4102, 4826, 5567, 6604, 6916, 7618, 8204, 9652, 11134, 11557, 15236, 16891, 22268, 23114, 26663, 31369, 33782, 37211, 38969, 46228, 53326, 62738, 67564, 72371, 74422, 77938, 106652, 125476, 144742, 148844, 155876, 219583, 260477, 289484, 439166, 483743, 506597, 520954, 707009, 878332, 967486, 1013194, 1041908, 1414018, 1934972, 2026388, 2828036, 3386201, 4949063, 6772402, 9191117, 9898126, 13544804, 18382234, 19796252, 36764468, 64337819, 128675638, 257351276]

約数ペア:

[(1, 257351276), (2, 128675638), (4, 64337819), (7, 36764468), (13, 19796252), (14, 18382234), (19, 13544804), (26, 9898126), (28, 9191117), (38, 6772402), (52, 4949063), (76, 3386201), (91, 2828036), (127, 2026388), (133, 1934972), (182, 1414018), (247, 1041908), (254, 1013194), (266, 967486), (293, 878332), (364, 707009), (494, 520954), (508, 506597), (532, 483743), (586, 439166), (889, 289484), (988, 260477), (1172, 219583), (1651, 155876), (1729, 148844), (1778, 144742), (2051, 125476), (2413, 106652), (3302, 77938), (3458, 74422), (3556, 72371), (3809, 67564), (4102, 62738), (4826, 53326), (5567, 46228), (6604, 38969), (6916, 37211), (7618, 33782), (8204, 31369), (9652, 26663), (11134, 23114), (11557, 22268), (15236, 16891)]