9991052

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{409}}^1$

素因数の和:641

約数の個数: 24

約数和(自身を含む): 18184320

約数和(自身を除く): 8193268

約数列:

[1, 2, 4, 31, 62, 124, 197, 394, 409, 788, 818, 1636, 6107, 12214, 12679, 24428, 25358, 50716, 80573, 161146, 322292, 2497763, 4995526, 9991052]

約数ペア:

[(1, 9991052), (2, 4995526), (4, 2497763), (31, 322292), (62, 161146), (124, 80573), (197, 50716), (394, 25358), (409, 24428), (788, 12679), (818, 12214), (1636, 6107)]