161981572

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{613}}^1\times {\mathrm{2131}}^1$

素因数の和:2779

約数の個数: 24

約数和(自身を含む): 293226752

約数和(自身を除く): 131245180

約数列:

[1, 2, 4, 31, 62, 124, 613, 1226, 2131, 2452, 4262, 8524, 19003, 38006, 66061, 76012, 132122, 264244, 1306303, 2612606, 5225212, 40495393, 80990786, 161981572]

約数ペア:

[(1, 161981572), (2, 80990786), (4, 40495393), (31, 5225212), (62, 2612606), (124, 1306303), (613, 264244), (1226, 132122), (2131, 76012), (2452, 66061), (4262, 38006), (8524, 19003)]