20161460917

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{191}}^1\times {\mathrm{2543}}^1$

素因数の和:2881

約数の個数: 32

約数和(自身を含む): 22757769216

約数和(自身を除く): 2596308299

約数列:

[1, 13, 31, 103, 191, 403, 1339, 2483, 2543, 3193, 5921, 19673, 33059, 41509, 76973, 78833, 255749, 261929, 485713, 609863, 1024829, 3405077, 6314269, 7928219, 8119799, 15057103, 50028439, 105557387, 195742339, 650369707, 1550881609, 20161460917]

約数ペア:

[(1, 20161460917), (13, 1550881609), (31, 650369707), (103, 195742339), (191, 105557387), (403, 50028439), (1339, 15057103), (2483, 8119799), (2543, 7928219), (3193, 6314269), (5921, 3405077), (19673, 1024829), (33059, 609863), (41509, 485713), (76973, 261929), (78833, 255749)]