257782434

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{67447}}^1$

素因数の和:67479

約数の個数: 48

約数和(自身を含む): 645882048

約数和(自身を除く): 388099614

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 49, 78, 91, 98, 147, 182, 273, 294, 546, 637, 1274, 1911, 3822, 67447, 134894, 202341, 404682, 472129, 876811, 944258, 1416387, 1753622, 2630433, 2832774, 3304903, 5260866, 6137677, 6609806, 9914709, 12275354, 18413031, 19829418, 36826062, 42963739, 85927478, 128891217, 257782434]

約数ペア:

[(1, 257782434), (2, 128891217), (3, 85927478), (6, 42963739), (7, 36826062), (13, 19829418), (14, 18413031), (21, 12275354), (26, 9914709), (39, 6609806), (42, 6137677), (49, 5260866), (78, 3304903), (91, 2832774), (98, 2630433), (147, 1753622), (182, 1416387), (273, 944258), (294, 876811), (546, 472129), (637, 404682), (1274, 202341), (1911, 134894), (3822, 67447)]