68994728

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{2521}}^1$

素因数の和:2849

約数の個数: 32

約数和(自身を含む): 141635520

約数和(自身を除く): 72640792

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 311, 622, 1244, 2488, 2521, 3421, 5042, 6842, 10084, 13684, 20168, 27368, 27731, 55462, 110924, 221848, 784031, 1568062, 3136124, 6272248, 8624341, 17248682, 34497364, 68994728]

約数ペア:

[(1, 68994728), (2, 34497364), (4, 17248682), (8, 8624341), (11, 6272248), (22, 3136124), (44, 1568062), (88, 784031), (311, 221848), (622, 110924), (1244, 55462), (2488, 27731), (2521, 27368), (3421, 20168), (5042, 13684), (6842, 10084)]