258980345

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{821}}^1$

素因数の和:1073

約数の個数: 32

約数和(自身を含む): 351316224

約数和(自身を除く): 92335879

約数列:

[1, 5, 13, 23, 65, 115, 211, 299, 821, 1055, 1495, 2743, 4105, 4853, 10673, 13715, 18883, 24265, 53365, 63089, 94415, 173231, 245479, 315445, 866155, 1227395, 2252003, 3984313, 11260015, 19921565, 51796069, 258980345]

約数ペア:

[(1, 258980345), (5, 51796069), (13, 19921565), (23, 11260015), (65, 3984313), (115, 2252003), (211, 1227395), (299, 866155), (821, 315445), (1055, 245479), (1495, 173231), (2743, 94415), (4105, 63089), (4853, 53365), (10673, 24265), (13715, 18883)]