161284928

素因数分解:

$2^6\times 7^1\times {\mathrm{521}}^1\times {\mathrm{691}}^1$

素因数の和:1231

約数の個数: 56

約数和(自身を含む): 367003584

約数和(自身を除く): 205718656

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 521, 691, 1042, 1382, 2084, 2764, 3647, 4168, 4837, 5528, 7294, 8336, 9674, 11056, 14588, 16672, 19348, 22112, 29176, 33344, 38696, 44224, 58352, 77392, 116704, 154784, 233408, 309568, 360011, 720022, 1440044, 2520077, 2880088, 5040154, 5760176, 10080308, 11520352, 20160616, 23040704, 40321232, 80642464, 161284928]

約数ペア:

[(1, 161284928), (2, 80642464), (4, 40321232), (7, 23040704), (8, 20160616), (14, 11520352), (16, 10080308), (28, 5760176), (32, 5040154), (56, 2880088), (64, 2520077), (112, 1440044), (224, 720022), (448, 360011), (521, 309568), (691, 233408), (1042, 154784), (1382, 116704), (2084, 77392), (2764, 58352), (3647, 44224), (4168, 38696), (4837, 33344), (5528, 29176), (7294, 22112), (8336, 19348), (9674, 16672), (11056, 14588)]