201977204

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20771}}^1$

素因数の和:20816

約数の個数: 48

約数和(自身を含む): 439701696

約数和(自身を除く): 237724492

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, 20771, 41542, 83084, 228481, 270023, 353107, 456962, 540046, 706214, 913924, 1080092, 1412428, 2970253, 3884177, 4590391, 5940506, 7768354, 9180782, 11881012, 15536708, 18361564, 50494301, 100988602, 201977204]

約数ペア:

[(1, 201977204), (2, 100988602), (4, 50494301), (11, 18361564), (13, 15536708), (17, 11881012), (22, 9180782), (26, 7768354), (34, 5940506), (44, 4590391), (52, 3884177), (68, 2970253), (143, 1412428), (187, 1080092), (221, 913924), (286, 706214), (374, 540046), (442, 456962), (572, 353107), (748, 270023), (884, 228481), (2431, 83084), (4862, 41542), (9724, 20771)]