81240884

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{127}}^1\times {\mathrm{443}}^1$

素因数の和:612

約数の個数: 36

約数和(自身を含む): 151570944

約数和(自身を除く): 70330060

約数列:

[1, 2, 4, 19, 38, 76, 127, 254, 361, 443, 508, 722, 886, 1444, 1772, 2413, 4826, 8417, 9652, 16834, 33668, 45847, 56261, 91694, 112522, 159923, 183388, 225044, 319846, 639692, 1068959, 2137918, 4275836, 20310221, 40620442, 81240884]

約数ペア:

[(1, 81240884), (2, 40620442), (4, 20310221), (19, 4275836), (38, 2137918), (76, 1068959), (127, 639692), (254, 319846), (361, 225044), (443, 183388), (508, 159923), (722, 112522), (886, 91694), (1444, 56261), (1772, 45847), (2413, 33668), (4826, 16834), (8417, 9652)]