1881638

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{89}}^1$

素因数の和:164

約数の個数: 24

約数和(自身を含む): 3217320

約数和(自身を除く): 1335682

約数列:

[1, 2, 11, 22, 31, 62, 89, 178, 341, 682, 961, 979, 1922, 1958, 2759, 5518, 10571, 21142, 30349, 60698, 85529, 171058, 940819, 1881638]

約数ペア:

[(1, 1881638), (2, 940819), (11, 171058), (22, 85529), (31, 60698), (62, 30349), (89, 21142), (178, 10571), (341, 5518), (682, 2759), (961, 1958), (979, 1922)]