161928416

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{929}}^1$

素因数の和:1371

約数の個数: 48

約数和(自身を含む): 344509200

約数和(自身を除く): 182580784

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 419, 838, 929, 1676, 1858, 3352, 3716, 5447, 6704, 7432, 10894, 12077, 13408, 14864, 21788, 24154, 29728, 43576, 48308, 87152, 96616, 174304, 193232, 386464, 389251, 778502, 1557004, 3114008, 5060263, 6228016, 10120526, 12456032, 20241052, 40482104, 80964208, 161928416]

約数ペア:

[(1, 161928416), (2, 80964208), (4, 40482104), (8, 20241052), (13, 12456032), (16, 10120526), (26, 6228016), (32, 5060263), (52, 3114008), (104, 1557004), (208, 778502), (416, 389251), (419, 386464), (838, 193232), (929, 174304), (1676, 96616), (1858, 87152), (3352, 48308), (3716, 43576), (5447, 29728), (6704, 24154), (7432, 21788), (10894, 14864), (12077, 13408)]