261570352

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{6521}}^1$

素因数の和:6661

約数の個数: 40

約数和(自身を含む): 533760480

約数和(自身を除く): 272190128

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 109, 184, 218, 368, 436, 872, 1744, 2507, 5014, 6521, 10028, 13042, 20056, 26084, 40112, 52168, 104336, 149983, 299966, 599932, 710789, 1199864, 1421578, 2399728, 2843156, 5686312, 11372624, 16348147, 32696294, 65392588, 130785176, 261570352]

約数ペア:

[(1, 261570352), (2, 130785176), (4, 65392588), (8, 32696294), (16, 16348147), (23, 11372624), (46, 5686312), (92, 2843156), (109, 2399728), (184, 1421578), (218, 1199864), (368, 710789), (436, 599932), (872, 299966), (1744, 149983), (2507, 104336), (5014, 52168), (6521, 40112), (10028, 26084), (13042, 20056)]