209320904

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{46807}}^1$

素因数の和:46869

約数の個数: 32

約数和(自身を含む): 432505920

約数和(自身を除く): 223185016

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4472, 46807, 93614, 187228, 374456, 608491, 1216982, 2012701, 2433964, 4025402, 4867928, 8050804, 16101608, 26165113, 52330226, 104660452, 209320904]

約数ペア:

[(1, 209320904), (2, 104660452), (4, 52330226), (8, 26165113), (13, 16101608), (26, 8050804), (43, 4867928), (52, 4025402), (86, 2433964), (104, 2012701), (172, 1216982), (344, 608491), (559, 374456), (1118, 187228), (2236, 93614), (4472, 46807)]