212659205

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^3\times {\mathrm{787}}^1$

素因数の和:854

約数の個数: 32

約数和(自身を含む): 296161920

約数和(自身を除く): 83502715

約数列:

[1, 5, 11, 17, 55, 85, 187, 289, 787, 935, 1445, 3179, 3935, 4913, 8657, 13379, 15895, 24565, 43285, 54043, 66895, 147169, 227443, 270215, 735845, 1137215, 2501873, 3866531, 12509365, 19332655, 42531841, 212659205]

約数ペア:

[(1, 212659205), (5, 42531841), (11, 19332655), (17, 12509365), (55, 3866531), (85, 2501873), (187, 1137215), (289, 735845), (787, 270215), (935, 227443), (1445, 147169), (3179, 66895), (3935, 54043), (4913, 43285), (8657, 24565), (13379, 15895)]