1997516

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:305

約数の個数: 24

約数和(自身を含む): 3669120

約数和(自身を除く): 1671604

約数列:

[1, 2, 4, 31, 62, 89, 124, 178, 181, 356, 362, 724, 2759, 5518, 5611, 11036, 11222, 16109, 22444, 32218, 64436, 499379, 998758, 1997516]

約数ペア:

[(1, 1997516), (2, 998758), (4, 499379), (31, 64436), (62, 32218), (89, 22444), (124, 16109), (178, 11222), (181, 11036), (356, 5611), (362, 5518), (724, 2759)]