23517725

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 38330880

約数和(自身を除く): 14813155

約数列:

[1, 5, 7, 11, 19, 25, 35, 55, 77, 95, 133, 175, 209, 275, 385, 475, 643, 665, 1045, 1463, 1925, 3215, 3325, 4501, 5225, 7073, 7315, 12217, 16075, 22505, 35365, 36575, 49511, 61085, 85519, 112525, 134387, 176825, 247555, 305425, 427595, 671935, 940709, 1237775, 2137975, 3359675, 4703545, 23517725]

約数ペア:

[(1, 23517725), (5, 4703545), (7, 3359675), (11, 2137975), (19, 1237775), (25, 940709), (35, 671935), (55, 427595), (77, 305425), (95, 247555), (133, 176825), (175, 134387), (209, 112525), (275, 85519), (385, 61085), (475, 49511), (643, 36575), (665, 35365), (1045, 22505), (1463, 16075), (1925, 12217), (3215, 7315), (3325, 7073), (4501, 5225)]