71339018

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1\times {\mathrm{2239}}^1$

素因数の和:2509

約数の個数: 16

約数和(自身を含む): 108864000

約数和(自身を除く): 37524982

約数列:

[1, 2, 89, 178, 179, 358, 2239, 4478, 15931, 31862, 199271, 398542, 400781, 801562, 35669509, 71339018]

約数ペア:

[(1, 71339018), (2, 35669509), (89, 801562), (178, 400781), (179, 398542), (358, 199271), (2239, 31862), (4478, 15931)]