2080402948

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{123863}}^1$

素因数の和:123916

約数の個数: 48

約数和(自身を含む): 4369921920

約数和(自身を除く): 2289518972

約数列:

[1, 2, 4, 13, 17, 19, 26, 34, 38, 52, 68, 76, 221, 247, 323, 442, 494, 646, 884, 988, 1292, 4199, 8398, 16796, 123863, 247726, 495452, 1610219, 2105671, 2353397, 3220438, 4211342, 4706794, 6440876, 8422684, 9413588, 27373723, 30594161, 40007749, 54747446, 61188322, 80015498, 109494892, 122376644, 160030996, 520100737, 1040201474, 2080402948]

約数ペア:

[(1, 2080402948), (2, 1040201474), (4, 520100737), (13, 160030996), (17, 122376644), (19, 109494892), (26, 80015498), (34, 61188322), (38, 54747446), (52, 40007749), (68, 30594161), (76, 27373723), (221, 9413588), (247, 8422684), (323, 6440876), (442, 4706794), (494, 4211342), (646, 3220438), (884, 2353397), (988, 2105671), (1292, 1610219), (4199, 495452), (8398, 247726), (16796, 123863)]