261640372

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{301429}}^1$

素因数の和:301471

約数の個数: 24

約数和(自身を含む): 540162560

約数和(自身を除く): 278522188

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 301429, 602858, 1205716, 2110003, 4220006, 8440012, 9344299, 18688598, 37377196, 65410093, 130820186, 261640372]

約数ペア:

[(1, 261640372), (2, 130820186), (4, 65410093), (7, 37377196), (14, 18688598), (28, 9344299), (31, 8440012), (62, 4220006), (124, 2110003), (217, 1205716), (434, 602858), (868, 301429)]