90015664

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{137219}}^1$

素因数の和:137268

約数の個数: 20

約数和(自身を含む): 178660440

約数和(自身を除く): 88644776

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 137219, 274438, 548876, 1097752, 2195504, 5625979, 11251958, 22503916, 45007832, 90015664]

約数ペア:

[(1, 90015664), (2, 45007832), (4, 22503916), (8, 11251958), (16, 5625979), (41, 2195504), (82, 1097752), (164, 548876), (328, 274438), (656, 137219)]