208821890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{673619}}^1$

素因数の和:673657

約数の個数: 16

約数和(自身を含む): 388005120

約数和(自身を除く): 179183230

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 673619, 1347238, 3368095, 6736190, 20882189, 41764378, 104410945, 208821890]

約数ペア:

[(1, 208821890), (2, 104410945), (5, 41764378), (10, 20882189), (31, 6736190), (62, 3368095), (155, 1347238), (310, 673619)]