256849372

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:275

約数の個数: 96

約数和(自身を含む): 541900800

約数和(自身を除く): 285051428

約数列:

[1, 2, 4, 13, 19, 23, 26, 38, 46, 52, 76, 89, 92, 127, 178, 247, 254, 299, 356, 437, 494, 508, 598, 874, 988, 1157, 1196, 1651, 1691, 1748, 2047, 2314, 2413, 2921, 3302, 3382, 4094, 4628, 4826, 5681, 5842, 6604, 6764, 8188, 9652, 11303, 11362, 11684, 21983, 22606, 22724, 26611, 31369, 37973, 38893, 43966, 45212, 53222, 55499, 62738, 75946, 77786, 87932, 106444, 110998, 125476, 146939, 151892, 155572, 214757, 221996, 259969, 293878, 429514, 505609, 519938, 587756, 721487, 859028, 1011218, 1039876, 1442974, 2022436, 2791841, 2885948, 3379597, 4939411, 5583682, 6759194, 9878822, 11167364, 13518388, 19757644, 64212343, 128424686, 256849372]

約数ペア:

[(1, 256849372), (2, 128424686), (4, 64212343), (13, 19757644), (19, 13518388), (23, 11167364), (26, 9878822), (38, 6759194), (46, 5583682), (52, 4939411), (76, 3379597), (89, 2885948), (92, 2791841), (127, 2022436), (178, 1442974), (247, 1039876), (254, 1011218), (299, 859028), (356, 721487), (437, 587756), (494, 519938), (508, 505609), (598, 429514), (874, 293878), (988, 259969), (1157, 221996), (1196, 214757), (1651, 155572), (1691, 151892), (1748, 146939), (2047, 125476), (2314, 110998), (2413, 106444), (2921, 87932), (3302, 77786), (3382, 75946), (4094, 62738), (4628, 55499), (4826, 53222), (5681, 45212), (5842, 43966), (6604, 38893), (6764, 37973), (8188, 31369), (9652, 26611), (11303, 22724), (11362, 22606), (11684, 21983)]