163621904

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{73571}}^1$

素因数の和:73718

約数の個数: 20

約数和(自身を含む): 319302480

約数和(自身を除く): 155680576

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 73571, 147142, 294284, 588568, 1177136, 10226369, 20452738, 40905476, 81810952, 163621904]

約数ペア:

[(1, 163621904), (2, 81810952), (4, 40905476), (8, 20452738), (16, 10226369), (139, 1177136), (278, 588568), (556, 294284), (1112, 147142), (2224, 73571)]