291213406

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{499}}^1\times {\mathrm{647}}^1$

素因数の和:1200

約数の個数: 32

約数和(自身を含む): 489888000

約数和(自身を除く): 198674594

約数列:

[1, 2, 11, 22, 41, 82, 451, 499, 647, 902, 998, 1294, 5489, 7117, 10978, 14234, 20459, 26527, 40918, 53054, 225049, 291797, 322853, 450098, 583594, 645706, 3551383, 7102766, 13236973, 26473946, 145606703, 291213406]

約数ペア:

[(1, 291213406), (2, 145606703), (11, 26473946), (22, 13236973), (41, 7102766), (82, 3551383), (451, 645706), (499, 583594), (647, 450098), (902, 322853), (998, 291797), (1294, 225049), (5489, 53054), (7117, 40918), (10978, 26527), (14234, 20459)]