68713918

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:713

約数の個数: 64

約数和(自身を含む): 138055680

約数和(自身を除く): 69341762

約数列:

[1, 2, 7, 13, 14, 19, 26, 31, 38, 62, 91, 133, 182, 217, 247, 266, 403, 434, 494, 589, 641, 806, 1178, 1282, 1729, 2821, 3458, 4123, 4487, 5642, 7657, 8246, 8333, 8974, 12179, 15314, 16666, 19871, 24358, 39742, 53599, 58331, 85253, 107198, 116662, 139097, 158327, 170506, 258323, 278194, 316654, 377549, 516646, 755098, 1108289, 1808261, 2216578, 2642843, 3616522, 4908137, 5285686, 9816274, 34356959, 68713918]

約数ペア:

[(1, 68713918), (2, 34356959), (7, 9816274), (13, 5285686), (14, 4908137), (19, 3616522), (26, 2642843), (31, 2216578), (38, 1808261), (62, 1108289), (91, 755098), (133, 516646), (182, 377549), (217, 316654), (247, 278194), (266, 258323), (403, 170506), (434, 158327), (494, 139097), (589, 116662), (641, 107198), (806, 85253), (1178, 58331), (1282, 53599), (1729, 39742), (2821, 24358), (3458, 19871), (4123, 16666), (4487, 15314), (5642, 12179), (7657, 8974), (8246, 8333)]