3988868

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{971}}^1$

素因数の和:1067

約数の個数: 24

約数和(自身を含む): 7620480

約数和(自身を除く): 3631612

約数列:

[1, 2, 4, 13, 26, 52, 79, 158, 316, 971, 1027, 1942, 2054, 3884, 4108, 12623, 25246, 50492, 76709, 153418, 306836, 997217, 1994434, 3988868]

約数ペア:

[(1, 3988868), (2, 1994434), (4, 997217), (13, 306836), (26, 153418), (52, 76709), (79, 50492), (158, 25246), (316, 12623), (971, 4108), (1027, 3884), (1942, 2054)]