25878013

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{2399}}^1$

素因数の和:2496

約数の個数: 16

約数和(自身を含む): 31334400

約数和(自身を除く): 5456387

約数列:

[1, 7, 23, 67, 161, 469, 1541, 2399, 10787, 16793, 55177, 160733, 386239, 1125131, 3696859, 25878013]

約数ペア:

[(1, 25878013), (7, 3696859), (23, 1125131), (67, 386239), (161, 160733), (469, 55177), (1541, 16793), (2399, 10787)]