1388430056

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{168991}}^1$

素因数の和:169089

約数の個数: 32

約数和(自身を含む): 2839065600

約数和(自身を除く): 1450635544

約数列:

[1, 2, 4, 8, 13, 26, 52, 79, 104, 158, 316, 632, 1027, 2054, 4108, 8216, 168991, 337982, 675964, 1351928, 2196883, 4393766, 8787532, 13350289, 17575064, 26700578, 53401156, 106802312, 173553757, 347107514, 694215028, 1388430056]

約数ペア:

[(1, 1388430056), (2, 694215028), (4, 347107514), (8, 173553757), (13, 106802312), (26, 53401156), (52, 26700578), (79, 17575064), (104, 13350289), (158, 8787532), (316, 4393766), (632, 2196883), (1027, 1351928), (2054, 675964), (4108, 337982), (8216, 168991)]