256612304

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{2207}}^1$

素因数の和:2284

約数の個数: 60

約数和(自身を含む): 551143296

約数和(自身を除く): 294530992

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 169, 172, 208, 338, 344, 559, 676, 688, 1118, 1352, 2207, 2236, 2704, 4414, 4472, 7267, 8828, 8944, 14534, 17656, 28691, 29068, 35312, 57382, 58136, 94901, 114764, 116272, 189802, 229528, 372983, 379604, 459056, 745966, 759208, 1233713, 1491932, 1518416, 2467426, 2983864, 4934852, 5967728, 9869704, 16038269, 19739408, 32076538, 64153076, 128306152, 256612304]

約数ペア:

[(1, 256612304), (2, 128306152), (4, 64153076), (8, 32076538), (13, 19739408), (16, 16038269), (26, 9869704), (43, 5967728), (52, 4934852), (86, 2983864), (104, 2467426), (169, 1518416), (172, 1491932), (208, 1233713), (338, 759208), (344, 745966), (559, 459056), (676, 379604), (688, 372983), (1118, 229528), (1352, 189802), (2207, 116272), (2236, 114764), (2704, 94901), (4414, 58136), (4472, 57382), (7267, 35312), (8828, 29068), (8944, 28691), (14534, 17656)]