198365872

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{2381}}^1$

素因数の和:2557

約数の個数: 40

約数和(自身を含む): 396974592

約数和(自身を除く): 198608720

約数列:

[1, 2, 4, 8, 16, 41, 82, 127, 164, 254, 328, 508, 656, 1016, 2032, 2381, 4762, 5207, 9524, 10414, 19048, 20828, 38096, 41656, 83312, 97621, 195242, 302387, 390484, 604774, 780968, 1209548, 1561936, 2419096, 4838192, 12397867, 24795734, 49591468, 99182936, 198365872]

約数ペア:

[(1, 198365872), (2, 99182936), (4, 49591468), (8, 24795734), (16, 12397867), (41, 4838192), (82, 2419096), (127, 1561936), (164, 1209548), (254, 780968), (328, 604774), (508, 390484), (656, 302387), (1016, 195242), (2032, 97621), (2381, 83312), (4762, 41656), (5207, 38096), (9524, 20828), (10414, 19048)]