199972084

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{22229}}^1$

素因数の和:22419

約数の個数: 24

約数和(自身を含む): 379065960

約数和(自身を除く): 179093876

約数列:

[1, 2, 4, 13, 26, 52, 173, 346, 692, 2249, 4498, 8996, 22229, 44458, 88916, 288977, 577954, 1155908, 3845617, 7691234, 15382468, 49993021, 99986042, 199972084]

約数ペア:

[(1, 199972084), (2, 99986042), (4, 49993021), (13, 15382468), (26, 7691234), (52, 3845617), (173, 1155908), (346, 577954), (692, 288977), (2249, 88916), (4498, 44458), (8996, 22229)]