25413505

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 34836480

約数和(自身を除く): 9422975

約数列:

[1, 5, 13, 23, 65, 89, 115, 191, 299, 445, 955, 1157, 1495, 2047, 2483, 4393, 5785, 10235, 12415, 16999, 21965, 26611, 57109, 84995, 133055, 220987, 285545, 390977, 1104935, 1954885, 5082701, 25413505]

約数ペア:

[(1, 25413505), (5, 5082701), (13, 1954885), (23, 1104935), (65, 390977), (89, 285545), (115, 220987), (191, 133055), (299, 84995), (445, 57109), (955, 26611), (1157, 21965), (1495, 16999), (2047, 12415), (2483, 10235), (4393, 5785)]