72386279

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{263}}^1$

素因数の和:455

約数の個数: 24

約数和(自身を含む): 87218208

約数和(自身を除く): 14831929

約数列:

[1, 7, 41, 49, 137, 263, 287, 959, 1841, 2009, 5617, 6713, 10783, 12887, 36031, 39319, 75481, 252217, 275233, 528367, 1477271, 1765519, 10340897, 72386279]

約数ペア:

[(1, 72386279), (7, 10340897), (41, 1765519), (49, 1477271), (137, 528367), (263, 275233), (287, 252217), (959, 75481), (1841, 39319), (2009, 36031), (5617, 12887), (6713, 10783)]