399649090

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2350877}}^1$

素因数の和:2350901

約数の個数: 16

約数和(自身を含む): 761684472

約数和(自身を除く): 362035382

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 2350877, 4701754, 11754385, 23508770, 39964909, 79929818, 199824545, 399649090]

約数ペア:

[(1, 399649090), (2, 199824545), (5, 79929818), (10, 39964909), (17, 23508770), (34, 11754385), (85, 4701754), (170, 2350877)]