389614264

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{20929}}^1$

素因数の和:21127

約数の個数: 32

約数和(自身を含む): 791154000

約数和(自身を除く): 401539736

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 179, 358, 716, 1432, 2327, 4654, 9308, 18616, 20929, 41858, 83716, 167432, 272077, 544154, 1088308, 2176616, 3746291, 7492582, 14985164, 29970328, 48701783, 97403566, 194807132, 389614264]

約数ペア:

[(1, 389614264), (2, 194807132), (4, 97403566), (8, 48701783), (13, 29970328), (26, 14985164), (52, 7492582), (104, 3746291), (179, 2176616), (358, 1088308), (716, 544154), (1432, 272077), (2327, 167432), (4654, 83716), (9308, 41858), (18616, 20929)]