2661790

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:264

約数の個数: 32

約数和(自身を含む): 5101056

約数和(自身を除く): 2439266

約数列:

[1, 2, 5, 10, 23, 46, 71, 115, 142, 163, 230, 326, 355, 710, 815, 1630, 1633, 3266, 3749, 7498, 8165, 11573, 16330, 18745, 23146, 37490, 57865, 115730, 266179, 532358, 1330895, 2661790]

約数ペア:

[(1, 2661790), (2, 1330895), (5, 532358), (10, 266179), (23, 115730), (46, 57865), (71, 37490), (115, 23146), (142, 18745), (163, 16330), (230, 11573), (326, 8165), (355, 7498), (710, 3749), (815, 3266), (1630, 1633)]