256521204

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{2953}}^1$

素因数の和:3109

約数の個数: 72

約数和(自身を含む): 688163840

約数和(自身を除く): 431642636

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 127, 171, 228, 254, 342, 381, 508, 684, 762, 1143, 1524, 2286, 2413, 2953, 4572, 4826, 5906, 7239, 8859, 9652, 11812, 14478, 17718, 21717, 26577, 28956, 35436, 43434, 53154, 56107, 86868, 106308, 112214, 168321, 224428, 336642, 375031, 504963, 673284, 750062, 1009926, 1125093, 1500124, 2019852, 2250186, 3375279, 4500372, 6750558, 7125589, 13501116, 14251178, 21376767, 28502356, 42753534, 64130301, 85507068, 128260602, 256521204]

約数ペア:

[(1, 256521204), (2, 128260602), (3, 85507068), (4, 64130301), (6, 42753534), (9, 28502356), (12, 21376767), (18, 14251178), (19, 13501116), (36, 7125589), (38, 6750558), (57, 4500372), (76, 3375279), (114, 2250186), (127, 2019852), (171, 1500124), (228, 1125093), (254, 1009926), (342, 750062), (381, 673284), (508, 504963), (684, 375031), (762, 336642), (1143, 224428), (1524, 168321), (2286, 112214), (2413, 106308), (2953, 86868), (4572, 56107), (4826, 53154), (5906, 43434), (7239, 35436), (8859, 28956), (9652, 26577), (11812, 21717), (14478, 17718)]