168989810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{139661}}^1$

素因数の和:139690

約数の個数: 24

約数和(自身を含む): 334350828

約数和(自身を除く): 165361018

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 139661, 279322, 698305, 1396610, 1536271, 3072542, 7681355, 15362710, 16898981, 33797962, 84494905, 168989810]

約数ペア:

[(1, 168989810), (2, 84494905), (5, 33797962), (10, 16898981), (11, 15362710), (22, 7681355), (55, 3072542), (110, 1536271), (121, 1396610), (242, 698305), (605, 279322), (1210, 139661)]