890097988

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{149}}^1\times {\mathrm{8837}}^1$

素因数の和:9016

約数の個数: 36

約数和(自身を含む): 1698221700

約数和(自身を除く): 808123712

約数列:

[1, 2, 4, 13, 26, 52, 149, 169, 298, 338, 596, 676, 1937, 3874, 7748, 8837, 17674, 25181, 35348, 50362, 100724, 114881, 229762, 459524, 1316713, 1493453, 2633426, 2986906, 5266852, 5973812, 17117269, 34234538, 68469076, 222524497, 445048994, 890097988]

約数ペア:

[(1, 890097988), (2, 445048994), (4, 222524497), (13, 68469076), (26, 34234538), (52, 17117269), (149, 5973812), (169, 5266852), (298, 2986906), (338, 2633426), (596, 1493453), (676, 1316713), (1937, 459524), (3874, 229762), (7748, 114881), (8837, 100724), (17674, 50362), (25181, 35348)]