851319721

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{25237}}^1$

素因数の和:25384

約数の個数: 16

約数和(自身を含む): 1001443840

約数和(自身を除く): 150124119

約数列:

[1, 7, 61, 79, 427, 553, 4819, 25237, 33733, 176659, 1539457, 1993723, 10776199, 13956061, 121617103, 851319721]

約数ペア:

[(1, 851319721), (7, 121617103), (61, 13956061), (79, 10776199), (427, 1993723), (553, 1539457), (4819, 176659), (25237, 33733)]