81815252

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{3821}}^1$

素因数の和:3979

約数の個数: 24

約数和(自身を含む): 147361032

約数和(自身を除く): 65545780

約数列:

[1, 2, 4, 53, 101, 106, 202, 212, 404, 3821, 5353, 7642, 10706, 15284, 21412, 202513, 385921, 405026, 771842, 810052, 1543684, 20453813, 40907626, 81815252]

約数ペア:

[(1, 81815252), (2, 40907626), (4, 20453813), (53, 1543684), (101, 810052), (106, 771842), (202, 405026), (212, 385921), (404, 202513), (3821, 21412), (5353, 15284), (7642, 10706)]