840994

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:190

約数の個数: 32

約数和(自身を含む): 1622016

約数和(自身を除く): 781022

約数列:

[1, 2, 7, 11, 14, 22, 43, 77, 86, 127, 154, 254, 301, 473, 602, 889, 946, 1397, 1778, 2794, 3311, 5461, 6622, 9779, 10922, 19558, 38227, 60071, 76454, 120142, 420497, 840994]

約数ペア:

[(1, 840994), (2, 420497), (7, 120142), (11, 76454), (14, 60071), (22, 38227), (43, 19558), (77, 10922), (86, 9779), (127, 6622), (154, 5461), (254, 3311), (301, 2794), (473, 1778), (602, 1397), (889, 946)]