1990490886

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{1063}}^1\times {\mathrm{4523}}^1$

素因数の和:5617

約数の個数: 48

約数和(自身を含む): 4505469696

約数和(自身を除く): 2514978810

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 1063, 2126, 3189, 4523, 6378, 9046, 9567, 13569, 19134, 24449, 27138, 40707, 48898, 73347, 81414, 104029, 146694, 208058, 220041, 312087, 440082, 624174, 936261, 1872522, 4807949, 9615898, 14423847, 28847694, 43271541, 86543082, 110582827, 221165654, 331748481, 663496962, 995245443, 1990490886]

約数ペア:

[(1, 1990490886), (2, 995245443), (3, 663496962), (6, 331748481), (9, 221165654), (18, 110582827), (23, 86543082), (46, 43271541), (69, 28847694), (138, 14423847), (207, 9615898), (414, 4807949), (1063, 1872522), (2126, 936261), (3189, 624174), (4523, 440082), (6378, 312087), (9046, 220041), (9567, 208058), (13569, 146694), (19134, 104029), (24449, 81414), (27138, 73347), (40707, 48898)]