31220868

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{839}}^1$

素因数の和:1296

約数の個数: 48

約数和(自身を含む): 83543040

約数和(自身を除く): 52322172

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 443, 839, 886, 1329, 1678, 1772, 2517, 2658, 3101, 3356, 5034, 5316, 5873, 6202, 9303, 10068, 11746, 12404, 17619, 18606, 23492, 35238, 37212, 70476, 371677, 743354, 1115031, 1486708, 2230062, 2601739, 4460124, 5203478, 7805217, 10406956, 15610434, 31220868]

約数ペア:

[(1, 31220868), (2, 15610434), (3, 10406956), (4, 7805217), (6, 5203478), (7, 4460124), (12, 2601739), (14, 2230062), (21, 1486708), (28, 1115031), (42, 743354), (84, 371677), (443, 70476), (839, 37212), (886, 35238), (1329, 23492), (1678, 18606), (1772, 17619), (2517, 12404), (2658, 11746), (3101, 10068), (3356, 9303), (5034, 6202), (5316, 5873)]