172872788

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{55337}}^1$

素因数の和:55423

約数の個数: 24

約数和(自身を含む): 334684224

約数和(自身を除く): 161811436

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 55337, 110674, 221348, 608707, 1217414, 2434828, 3928927, 7857854, 15715708, 43218197, 86436394, 172872788]

約数ペア:

[(1, 172872788), (2, 86436394), (4, 43218197), (11, 15715708), (22, 7857854), (44, 3928927), (71, 2434828), (142, 1217414), (284, 608707), (781, 221348), (1562, 110674), (3124, 55337)]