1990978834

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{67231}}^1$

素因数の和:67330

約数の個数: 32

約数和(自身を含む): 3456262656

約数和(自身を除く): 1465283822

約数列:

[1, 2, 13, 17, 26, 34, 67, 134, 221, 442, 871, 1139, 1742, 2278, 14807, 29614, 67231, 134462, 874003, 1142927, 1748006, 2285854, 4504477, 9008954, 14858051, 29716102, 58558201, 76576109, 117116402, 153152218, 995489417, 1990978834]

約数ペア:

[(1, 1990978834), (2, 995489417), (13, 153152218), (17, 117116402), (26, 76576109), (34, 58558201), (67, 29716102), (134, 14858051), (221, 9008954), (442, 4504477), (871, 2285854), (1139, 1748006), (1742, 1142927), (2278, 874003), (14807, 134462), (29614, 67231)]