214978445

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{205721}}^1$

素因数の和:205756

約数の個数: 16

約数和(自身を含む): 296239680

約数和(自身を除く): 81261235

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 205721, 1028605, 2262931, 3908699, 11314655, 19543495, 42995689, 214978445]

約数ペア:

[(1, 214978445), (5, 42995689), (11, 19543495), (19, 11314655), (55, 3908699), (95, 2262931), (209, 1028605), (1045, 205721)]