636843952

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{290531}}^1$

素因数の和:290676

約数の個数: 20

約数和(自身を含む): 1242895896

約数和(自身を除く): 606051944

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 290531, 581062, 1162124, 2324248, 4648496, 39802747, 79605494, 159210988, 318421976, 636843952]

約数ペア:

[(1, 636843952), (2, 318421976), (4, 159210988), (8, 79605494), (16, 39802747), (137, 4648496), (274, 2324248), (548, 1162124), (1096, 581062), (2192, 290531)]