249584

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{821}}^1$

素因数の和:848

約数の個数: 20

約数和(自身を含む): 509640

約数和(自身を除く): 260056

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 821, 1642, 3284, 6568, 13136, 15599, 31198, 62396, 124792, 249584]

約数ペア:

[(1, 249584), (2, 124792), (4, 62396), (8, 31198), (16, 15599), (19, 13136), (38, 6568), (76, 3284), (152, 1642), (304, 821)]