3988070

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:256

約数の個数: 32

約数和(自身を含む): 7511616

約数和(自身を除く): 3523546

約数列:

[1, 2, 5, 10, 41, 71, 82, 137, 142, 205, 274, 355, 410, 685, 710, 1370, 2911, 5617, 5822, 9727, 11234, 14555, 19454, 28085, 29110, 48635, 56170, 97270, 398807, 797614, 1994035, 3988070]

約数ペア:

[(1, 3988070), (2, 1994035), (5, 797614), (10, 398807), (41, 97270), (71, 56170), (82, 48635), (137, 29110), (142, 28085), (205, 19454), (274, 14555), (355, 11234), (410, 9727), (685, 5822), (710, 5617), (1370, 2911)]