138833128

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79973}}^1$

素因数の和:80017

約数の個数: 32

約数和(自身を含む): 307100160

約数和(自身を除く): 168267032

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 79973, 159946, 319892, 559811, 639784, 1119622, 2239244, 2479163, 4478488, 4958326, 9916652, 17354141, 19833304, 34708282, 69416564, 138833128]

約数ペア:

[(1, 138833128), (2, 69416564), (4, 34708282), (7, 19833304), (8, 17354141), (14, 9916652), (28, 4958326), (31, 4478488), (56, 2479163), (62, 2239244), (124, 1119622), (217, 639784), (248, 559811), (434, 319892), (868, 159946), (1736, 79973)]