218786768

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{104383}}^1$

素因数の和:104522

約数の個数: 20

約数和(自身を含む): 427139328

約数和(自身を除く): 208352560

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 104383, 208766, 417532, 835064, 1670128, 13674173, 27348346, 54696692, 109393384, 218786768]

約数ペア:

[(1, 218786768), (2, 109393384), (4, 54696692), (8, 27348346), (16, 13674173), (131, 1670128), (262, 835064), (524, 417532), (1048, 208766), (2096, 104383)]