1521388

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{487}}^1$

素因数の和:573

約数の個数: 24

約数和(自身を含む): 2951424

約数和(自身を除く): 1430036

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 487, 781, 974, 1562, 1948, 3124, 5357, 10714, 21428, 34577, 69154, 138308, 380347, 760694, 1521388]

約数ペア:

[(1, 1521388), (2, 760694), (4, 380347), (11, 138308), (22, 69154), (44, 34577), (71, 21428), (142, 10714), (284, 5357), (487, 3124), (781, 1948), (974, 1562)]