28783252

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:716

約数の個数: 36

約数和(自身を含む): 54961536

約数和(自身を除く): 26178284

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 361, 589, 643, 722, 1178, 1286, 1444, 2356, 2572, 11191, 12217, 19933, 22382, 24434, 39866, 44764, 48868, 79732, 232123, 378727, 464246, 757454, 928492, 1514908, 7195813, 14391626, 28783252]

約数ペア:

[(1, 28783252), (2, 14391626), (4, 7195813), (19, 1514908), (31, 928492), (38, 757454), (62, 464246), (76, 378727), (124, 232123), (361, 79732), (589, 48868), (643, 44764), (722, 39866), (1178, 24434), (1286, 22382), (1444, 19933), (2356, 12217), (2572, 11191)]