251013826

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{13291}}^1$

素因数の和:13390

約数の個数: 32

約数和(自身を含む): 459371520

約数和(自身を除く): 208357694

約数列:

[1, 2, 7, 14, 19, 38, 71, 133, 142, 266, 497, 994, 1349, 2698, 9443, 13291, 18886, 26582, 93037, 186074, 252529, 505058, 943661, 1767703, 1887322, 3535406, 6605627, 13211254, 17929559, 35859118, 125506913, 251013826]

約数ペア:

[(1, 251013826), (2, 125506913), (7, 35859118), (14, 17929559), (19, 13211254), (38, 6605627), (71, 3535406), (133, 1887322), (142, 1767703), (266, 943661), (497, 505058), (994, 252529), (1349, 186074), (2698, 93037), (9443, 26582), (13291, 18886)]