331335940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{8117}}^1$

素因数の和:8296

約数の個数: 48

約数和(自身を含む): 754194672

約数和(自身を除く): 422858732

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 157, 260, 314, 628, 785, 1570, 2041, 3140, 4082, 8117, 8164, 10205, 16234, 20410, 32468, 40585, 40820, 81170, 105521, 162340, 211042, 422084, 527605, 1055210, 1274369, 2110420, 2548738, 5097476, 6371845, 12743690, 16566797, 25487380, 33133594, 66267188, 82833985, 165667970, 331335940]

約数ペア:

[(1, 331335940), (2, 165667970), (4, 82833985), (5, 66267188), (10, 33133594), (13, 25487380), (20, 16566797), (26, 12743690), (52, 6371845), (65, 5097476), (130, 2548738), (157, 2110420), (260, 1274369), (314, 1055210), (628, 527605), (785, 422084), (1570, 211042), (2041, 162340), (3140, 105521), (4082, 81170), (8117, 40820), (8164, 40585), (10205, 32468), (16234, 20410)]