39991276

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2381}}^1$

素因数の和:2434

約数の個数: 48

約数和(自身を含む): 84036960

約数和(自身を除く): 44045684

約数列:

[1, 2, 4, 13, 17, 19, 26, 34, 38, 52, 68, 76, 221, 247, 323, 442, 494, 646, 884, 988, 1292, 2381, 4199, 4762, 8398, 9524, 16796, 30953, 40477, 45239, 61906, 80954, 90478, 123812, 161908, 180956, 526201, 588107, 769063, 1052402, 1176214, 1538126, 2104804, 2352428, 3076252, 9997819, 19995638, 39991276]

約数ペア:

[(1, 39991276), (2, 19995638), (4, 9997819), (13, 3076252), (17, 2352428), (19, 2104804), (26, 1538126), (34, 1176214), (38, 1052402), (52, 769063), (68, 588107), (76, 526201), (221, 180956), (247, 161908), (323, 123812), (442, 90478), (494, 80954), (646, 61906), (884, 45239), (988, 40477), (1292, 30953), (2381, 16796), (4199, 9524), (4762, 8398)]