890428

素因数分解:

$2^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{59}}^1$

素因数の和:95

約数の個数: 48

約数和(自身を含む): 2016000

約数和(自身を除く): 1125572

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 59, 77, 98, 118, 154, 196, 236, 308, 343, 413, 539, 649, 686, 826, 1078, 1298, 1372, 1652, 2156, 2596, 2891, 3773, 4543, 5782, 7546, 9086, 11564, 15092, 18172, 20237, 31801, 40474, 63602, 80948, 127204, 222607, 445214, 890428]

約数ペア:

[(1, 890428), (2, 445214), (4, 222607), (7, 127204), (11, 80948), (14, 63602), (22, 40474), (28, 31801), (44, 20237), (49, 18172), (59, 15092), (77, 11564), (98, 9086), (118, 7546), (154, 5782), (196, 4543), (236, 3773), (308, 2891), (343, 2596), (413, 2156), (539, 1652), (649, 1372), (686, 1298), (826, 1078)]