666254428

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{580361}}^1$

素因数の和:580413

約数の個数: 24

約数和(自身を含む): 1365011424

約数和(自身を除く): 698756996

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 580361, 1160722, 2321444, 4062527, 8125054, 16250108, 23794801, 47589602, 95179204, 166563607, 333127214, 666254428]

約数ペア:

[(1, 666254428), (2, 333127214), (4, 166563607), (7, 95179204), (14, 47589602), (28, 23794801), (41, 16250108), (82, 8125054), (164, 4062527), (287, 2321444), (574, 1160722), (1148, 580361)]