17667728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{101}}^1$

素因数の和:180

約数の個数: 60

約数和(自身を含む): 38557428

約数和(自身を除く): 20889700

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 52, 58, 101, 104, 116, 202, 208, 232, 377, 404, 464, 754, 808, 841, 1313, 1508, 1616, 1682, 2626, 2929, 3016, 3364, 5252, 5858, 6032, 6728, 10504, 10933, 11716, 13456, 21008, 21866, 23432, 38077, 43732, 46864, 76154, 84941, 87464, 152308, 169882, 174928, 304616, 339764, 609232, 679528, 1104233, 1359056, 2208466, 4416932, 8833864, 17667728]

約数ペア:

[(1, 17667728), (2, 8833864), (4, 4416932), (8, 2208466), (13, 1359056), (16, 1104233), (26, 679528), (29, 609232), (52, 339764), (58, 304616), (101, 174928), (104, 169882), (116, 152308), (202, 87464), (208, 84941), (232, 76154), (377, 46864), (404, 43732), (464, 38077), (754, 23432), (808, 21866), (841, 21008), (1313, 13456), (1508, 11716), (1616, 10933), (1682, 10504), (2626, 6728), (2929, 6032), (3016, 5858), (3364, 5252)]