214920875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6961}}^1$

素因数の和:7008

約数の個数: 32

約数和(自身を含む): 304100160

約数和(自身を除く): 89179285

約数列:

[1, 5, 13, 19, 25, 65, 95, 125, 247, 325, 475, 1235, 1625, 2375, 6175, 6961, 30875, 34805, 90493, 132259, 174025, 452465, 661295, 870125, 1719367, 2262325, 3306475, 8596835, 11311625, 16532375, 42984175, 214920875]

約数ペア:

[(1, 214920875), (5, 42984175), (13, 16532375), (19, 11311625), (25, 8596835), (65, 3306475), (95, 2262325), (125, 1719367), (247, 870125), (325, 661295), (475, 452465), (1235, 174025), (1625, 132259), (2375, 90493), (6175, 34805), (6961, 30875)]