664268

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{487}}^1$

素因数の和:533

約数の個数: 24

約数和(自身を含む): 1311744

約数和(自身を除く): 647476

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 124, 341, 487, 682, 974, 1364, 1948, 5357, 10714, 15097, 21428, 30194, 60388, 166067, 332134, 664268]

約数ペア:

[(1, 664268), (2, 332134), (4, 166067), (11, 60388), (22, 30194), (31, 21428), (44, 15097), (62, 10714), (124, 5357), (341, 1948), (487, 1364), (682, 974)]