13621556

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{811}}^1$

素因数の和:864

約数の個数: 48

約数和(自身を含む): 28647360

約数和(自身を除く): 15025804

約数列:

[1, 2, 4, 13, 17, 19, 26, 34, 38, 52, 68, 76, 221, 247, 323, 442, 494, 646, 811, 884, 988, 1292, 1622, 3244, 4199, 8398, 10543, 13787, 15409, 16796, 21086, 27574, 30818, 42172, 55148, 61636, 179231, 200317, 261953, 358462, 400634, 523906, 716924, 801268, 1047812, 3405389, 6810778, 13621556]

約数ペア:

[(1, 13621556), (2, 6810778), (4, 3405389), (13, 1047812), (17, 801268), (19, 716924), (26, 523906), (34, 400634), (38, 358462), (52, 261953), (68, 200317), (76, 179231), (221, 61636), (247, 55148), (323, 42172), (442, 30818), (494, 27574), (646, 21086), (811, 16796), (884, 15409), (988, 13787), (1292, 10543), (1622, 8398), (3244, 4199)]