25607428

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1171}}^1$

素因数の和:1264

約数の個数: 48

約数和(自身を含む): 56706048

約数和(自身を除く): 31098620

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 71, 77, 142, 154, 284, 308, 497, 781, 994, 1171, 1562, 1988, 2342, 3124, 4684, 5467, 8197, 10934, 12881, 16394, 21868, 25762, 32788, 51524, 83141, 90167, 166282, 180334, 332564, 360668, 581987, 914551, 1163974, 1829102, 2327948, 3658204, 6401857, 12803714, 25607428]

約数ペア:

[(1, 25607428), (2, 12803714), (4, 6401857), (7, 3658204), (11, 2327948), (14, 1829102), (22, 1163974), (28, 914551), (44, 581987), (71, 360668), (77, 332564), (142, 180334), (154, 166282), (284, 90167), (308, 83141), (497, 51524), (781, 32788), (994, 25762), (1171, 21868), (1562, 16394), (1988, 12881), (2342, 10934), (3124, 8197), (4684, 5467)]