521475425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{64579}}^1$

素因数の和:64625

約数の個数: 24

約数和(自身を含む): 720712800

約数和(自身を除く): 199237375

約数列:

[1, 5, 17, 19, 25, 85, 95, 323, 425, 475, 1615, 8075, 64579, 322895, 1097843, 1227001, 1614475, 5489215, 6135005, 20859017, 27446075, 30675025, 104295085, 521475425]

約数ペア:

[(1, 521475425), (5, 104295085), (17, 30675025), (19, 27446075), (25, 20859017), (85, 6135005), (95, 5489215), (323, 1614475), (425, 1227001), (475, 1097843), (1615, 322895), (8075, 64579)]