40989284

素因数分解:

$2^2\times 7^2\times {\mathrm{163}}^1\times {\mathrm{1283}}^1$

素因数の和:1464

約数の個数: 36

約数和(自身を含む): 84019824

約数和(自身を除く): 43030540

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 163, 196, 326, 652, 1141, 1283, 2282, 2566, 4564, 5132, 7987, 8981, 15974, 17962, 31948, 35924, 62867, 125734, 209129, 251468, 418258, 836516, 1463903, 2927806, 5855612, 10247321, 20494642, 40989284]

約数ペア:

[(1, 40989284), (2, 20494642), (4, 10247321), (7, 5855612), (14, 2927806), (28, 1463903), (49, 836516), (98, 418258), (163, 251468), (196, 209129), (326, 125734), (652, 62867), (1141, 35924), (1283, 31948), (2282, 17962), (2566, 15974), (4564, 8981), (5132, 7987)]