1987546

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:258

約数の個数: 24

約数和(自身を含む): 3370752

約数和(自身を除く): 1383206

約数列:

[1, 2, 11, 22, 43, 86, 121, 191, 242, 382, 473, 946, 2101, 4202, 5203, 8213, 10406, 16426, 23111, 46222, 90343, 180686, 993773, 1987546]

約数ペア:

[(1, 1987546), (2, 993773), (11, 180686), (22, 90343), (43, 46222), (86, 23111), (121, 16426), (191, 10406), (242, 8213), (382, 5203), (473, 4202), (946, 2101)]