256419504

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{161881}}^1$

素因数の和:161906

約数の個数: 60

約数和(自身を含む): 782861352

約数和(自身を除く): 526441848

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 72, 88, 99, 132, 144, 176, 198, 264, 396, 528, 792, 1584, 161881, 323762, 485643, 647524, 971286, 1295048, 1456929, 1780691, 1942572, 2590096, 2913858, 3561382, 3885144, 5342073, 5827716, 7122764, 7770288, 10684146, 11655432, 14245528, 16026219, 21368292, 23310864, 28491056, 32052438, 42736584, 64104876, 85473168, 128209752, 256419504]

約数ペア:

[(1, 256419504), (2, 128209752), (3, 85473168), (4, 64104876), (6, 42736584), (8, 32052438), (9, 28491056), (11, 23310864), (12, 21368292), (16, 16026219), (18, 14245528), (22, 11655432), (24, 10684146), (33, 7770288), (36, 7122764), (44, 5827716), (48, 5342073), (66, 3885144), (72, 3561382), (88, 2913858), (99, 2590096), (132, 1942572), (144, 1780691), (176, 1456929), (198, 1295048), (264, 971286), (396, 647524), (528, 485643), (792, 323762), (1584, 161881)]