131820575

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{2861}}^1$

素因数の和:2987

約数の個数: 24

約数和(自身を含む): 173895120

約数和(自身を除く): 42074545

約数列:

[1, 5, 19, 25, 95, 97, 475, 485, 1843, 2425, 2861, 9215, 14305, 46075, 54359, 71525, 271795, 277517, 1358975, 1387585, 5272823, 6937925, 26364115, 131820575]

約数ペア:

[(1, 131820575), (5, 26364115), (19, 6937925), (25, 5272823), (95, 1387585), (97, 1358975), (475, 277517), (485, 271795), (1843, 71525), (2425, 54359), (2861, 46075), (9215, 14305)]