1638524

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:245

約数の個数: 24

約数和(自身を含む): 2996448

約数和(自身を除く): 1357924

約数列:

[1, 2, 4, 41, 82, 97, 103, 164, 194, 206, 388, 412, 3977, 4223, 7954, 8446, 9991, 15908, 16892, 19982, 39964, 409631, 819262, 1638524]

約数ペア:

[(1, 1638524), (2, 819262), (4, 409631), (41, 39964), (82, 19982), (97, 16892), (103, 15908), (164, 9991), (194, 8446), (206, 7954), (388, 4223), (412, 3977)]