128647538

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{21961}}^1$

素因数の和:22093

約数の個数: 16

約数和(自身を含む): 201611160

約数和(自身を除く): 72963622

約数列:

[1, 2, 29, 58, 101, 202, 2929, 5858, 21961, 43922, 636869, 1273738, 2218061, 4436122, 64323769, 128647538]

約数ペア:

[(1, 128647538), (2, 64323769), (29, 4436122), (58, 2218061), (101, 1273738), (202, 636869), (2929, 43922), (5858, 21961)]