256348542

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{277}}^1$

素因数の和:553

約数の個数: 64

約数和(自身を含む): 560127744

約数和(自身を除く): 303779202

約数列:

[1, 2, 3, 6, 17, 34, 43, 51, 86, 102, 129, 211, 258, 277, 422, 554, 633, 731, 831, 1266, 1462, 1662, 2193, 3587, 4386, 4709, 7174, 9073, 9418, 10761, 11911, 14127, 18146, 21522, 23822, 27219, 28254, 35733, 54438, 58447, 71466, 116894, 154241, 175341, 202487, 308482, 350682, 404974, 462723, 607461, 925446, 993599, 1214922, 1987198, 2513221, 2980797, 5026442, 5961594, 7539663, 15079326, 42724757, 85449514, 128174271, 256348542]

約数ペア:

[(1, 256348542), (2, 128174271), (3, 85449514), (6, 42724757), (17, 15079326), (34, 7539663), (43, 5961594), (51, 5026442), (86, 2980797), (102, 2513221), (129, 1987198), (211, 1214922), (258, 993599), (277, 925446), (422, 607461), (554, 462723), (633, 404974), (731, 350682), (831, 308482), (1266, 202487), (1462, 175341), (1662, 154241), (2193, 116894), (3587, 71466), (4386, 58447), (4709, 54438), (7174, 35733), (9073, 28254), (9418, 27219), (10761, 23822), (11911, 21522), (14127, 18146)]