400427279

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{45007}}^1$

素因数の和:45086

約数の個数: 16

約数和(自身を含む): 483926016

約数和(自身を除く): 83498737

約数列:

[1, 7, 31, 41, 217, 287, 1271, 8897, 45007, 315049, 1395217, 1845287, 9766519, 12917009, 57203897, 400427279]

約数ペア:

[(1, 400427279), (7, 57203897), (31, 12917009), (41, 9766519), (217, 1845287), (287, 1395217), (1271, 315049), (8897, 45007)]