218362915

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1399}}^1$

素因数の和:1507

約数の個数: 32

約数和(自身を含む): 290304000

約数和(自身を除く): 71941085

約数列:

[1, 5, 19, 31, 53, 95, 155, 265, 589, 1007, 1399, 1643, 2945, 5035, 6995, 8215, 26581, 31217, 43369, 74147, 132905, 156085, 216845, 370735, 824011, 1408793, 2298557, 4120055, 7043965, 11492785, 43672583, 218362915]

約数ペア:

[(1, 218362915), (5, 43672583), (19, 11492785), (31, 7043965), (53, 4120055), (95, 2298557), (155, 1408793), (265, 824011), (589, 370735), (1007, 216845), (1399, 156085), (1643, 132905), (2945, 74147), (5035, 43369), (6995, 31217), (8215, 26581)]