213040018

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{18691}}^1$

素因数の和:18873

約数の個数: 16

約数和(自身を含む): 329726880

約数和(自身を除く): 116686862

約数列:

[1, 2, 41, 82, 139, 278, 5699, 11398, 18691, 37382, 766331, 1532662, 2598049, 5196098, 106520009, 213040018]

約数ペア:

[(1, 213040018), (2, 106520009), (41, 5196098), (82, 2598049), (139, 1532662), (278, 766331), (5699, 37382), (11398, 18691)]