393651478

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{22283}}^1$

素因数の和:22380

約数の個数: 24

約数和(自身を含む): 657957384

約数和(自身を除く): 264305906

約数列:

[1, 2, 11, 22, 73, 121, 146, 242, 803, 1606, 8833, 17666, 22283, 44566, 245113, 490226, 1626659, 2696243, 3253318, 5392486, 17893249, 35786498, 196825739, 393651478]

約数ペア:

[(1, 393651478), (2, 196825739), (11, 35786498), (22, 17893249), (73, 5392486), (121, 3253318), (146, 2696243), (242, 1626659), (803, 490226), (1606, 245113), (8833, 44566), (17666, 22283)]