1990972

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 4112640

約数和(自身を除く): 2121668

約数列:

[1, 2, 4, 17, 19, 23, 34, 38, 46, 67, 68, 76, 92, 134, 268, 323, 391, 437, 646, 782, 874, 1139, 1273, 1292, 1541, 1564, 1748, 2278, 2546, 3082, 4556, 5092, 6164, 7429, 14858, 21641, 26197, 29279, 29716, 43282, 52394, 58558, 86564, 104788, 117116, 497743, 995486, 1990972]

約数ペア:

[(1, 1990972), (2, 995486), (4, 497743), (17, 117116), (19, 104788), (23, 86564), (34, 58558), (38, 52394), (46, 43282), (67, 29716), (68, 29279), (76, 26197), (92, 21641), (134, 14858), (268, 7429), (323, 6164), (391, 5092), (437, 4556), (646, 3082), (782, 2546), (874, 2278), (1139, 1748), (1273, 1564), (1292, 1541)]