4031890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{641}}^1$

素因数の和:702

約数の個数: 32

約数和(自身を含む): 7904304

約数和(自身を除く): 3872414

約数列:

[1, 2, 5, 10, 17, 34, 37, 74, 85, 170, 185, 370, 629, 641, 1258, 1282, 3145, 3205, 6290, 6410, 10897, 21794, 23717, 47434, 54485, 108970, 118585, 237170, 403189, 806378, 2015945, 4031890]

約数ペア:

[(1, 4031890), (2, 2015945), (5, 806378), (10, 403189), (17, 237170), (34, 118585), (37, 108970), (74, 54485), (85, 47434), (170, 23717), (185, 21794), (370, 10897), (629, 6410), (641, 6290), (1258, 3205), (1282, 3145)]