989896910

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{82013}}^1$

素因数の和:82108

約数の個数: 32

約数和(自身を含む): 1913222592

約数和(自身を除く): 923325682

約数列:

[1, 2, 5, 10, 17, 34, 71, 85, 142, 170, 355, 710, 1207, 2414, 6035, 12070, 82013, 164026, 410065, 820130, 1394221, 2788442, 5822923, 6971105, 11645846, 13942210, 29114615, 58229230, 98989691, 197979382, 494948455, 989896910]

約数ペア:

[(1, 989896910), (2, 494948455), (5, 197979382), (10, 98989691), (17, 58229230), (34, 29114615), (71, 13942210), (85, 11645846), (142, 6971105), (170, 5822923), (355, 2788442), (710, 1394221), (1207, 820130), (2414, 410065), (6035, 164026), (12070, 82013)]