161519456

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37951}}^1$

素因数の和:37987

約数の個数: 48

約数和(自身を含む): 382556160

約数和(自身を除く): 221036704

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 76, 112, 133, 152, 224, 266, 304, 532, 608, 1064, 2128, 4256, 37951, 75902, 151804, 265657, 303608, 531314, 607216, 721069, 1062628, 1214432, 1442138, 2125256, 2884276, 4250512, 5047483, 5768552, 8501024, 10094966, 11537104, 20189932, 23074208, 40379864, 80759728, 161519456]

約数ペア:

[(1, 161519456), (2, 80759728), (4, 40379864), (7, 23074208), (8, 20189932), (14, 11537104), (16, 10094966), (19, 8501024), (28, 5768552), (32, 5047483), (38, 4250512), (56, 2884276), (76, 2125256), (112, 1442138), (133, 1214432), (152, 1062628), (224, 721069), (266, 607216), (304, 531314), (532, 303608), (608, 265657), (1064, 151804), (2128, 75902), (4256, 37951)]