209791010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{13337}}^1$

素因数の和:13379

約数の個数: 48

約数和(自身を含む): 447036408

約数和(自身を除く): 237245398

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 121, 130, 143, 242, 286, 605, 715, 1210, 1430, 1573, 3146, 7865, 13337, 15730, 26674, 66685, 133370, 146707, 173381, 293414, 346762, 733535, 866905, 1467070, 1613777, 1733810, 1907191, 3227554, 3814382, 8068885, 9535955, 16137770, 19071910, 20979101, 41958202, 104895505, 209791010]

約数ペア:

[(1, 209791010), (2, 104895505), (5, 41958202), (10, 20979101), (11, 19071910), (13, 16137770), (22, 9535955), (26, 8068885), (55, 3814382), (65, 3227554), (110, 1907191), (121, 1733810), (130, 1613777), (143, 1467070), (242, 866905), (286, 733535), (605, 346762), (715, 293414), (1210, 173381), (1430, 146707), (1573, 133370), (3146, 66685), (7865, 26674), (13337, 15730)]