208064428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{21397}}^1$

素因数の和:21442

約数の個数: 48

約数和(自身を含む): 452952864

約数和(自身を除く): 244888436

約数列:

[1, 2, 4, 11, 13, 17, 22, 26, 34, 44, 52, 68, 143, 187, 221, 286, 374, 442, 572, 748, 884, 2431, 4862, 9724, 21397, 42794, 85588, 235367, 278161, 363749, 470734, 556322, 727498, 941468, 1112644, 1454996, 3059771, 4001239, 4728737, 6119542, 8002478, 9457474, 12239084, 16004956, 18914948, 52016107, 104032214, 208064428]

約数ペア:

[(1, 208064428), (2, 104032214), (4, 52016107), (11, 18914948), (13, 16004956), (17, 12239084), (22, 9457474), (26, 8002478), (34, 6119542), (44, 4728737), (52, 4001239), (68, 3059771), (143, 1454996), (187, 1112644), (221, 941468), (286, 727498), (374, 556322), (442, 470734), (572, 363749), (748, 278161), (884, 235367), (2431, 85588), (4862, 42794), (9724, 21397)]