5213975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:347

約数の個数: 24

約数和(自身を含む): 7103712

約数和(自身を除く): 1889737

約数列:

[1, 5, 13, 25, 61, 65, 263, 305, 325, 793, 1315, 1525, 3419, 3965, 6575, 16043, 17095, 19825, 80215, 85475, 208559, 401075, 1042795, 5213975]

約数ペア:

[(1, 5213975), (5, 1042795), (13, 401075), (25, 208559), (61, 85475), (65, 80215), (263, 19825), (305, 17095), (325, 16043), (793, 6575), (1315, 3965), (1525, 3419)]