209990698

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{325063}}^1$

素因数の和:325101

約数の個数: 16

約数和(自身を含む): 351069120

約数和(自身を除く): 141078422

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 325063, 650126, 5526071, 6176197, 11052142, 12352394, 104995349, 209990698]

約数ペア:

[(1, 209990698), (2, 104995349), (17, 12352394), (19, 11052142), (34, 6176197), (38, 5526071), (323, 650126), (646, 325063)]