28782572

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{739}}^1$

素因数の和:870

約数の個数: 48

約数和(自身を含む): 62657280

約数和(自身を除く): 33874708

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 107, 182, 214, 364, 428, 739, 749, 1391, 1478, 1498, 2782, 2956, 2996, 5173, 5564, 9607, 9737, 10346, 19214, 19474, 20692, 38428, 38948, 67249, 79073, 134498, 158146, 268996, 316292, 553511, 1027949, 1107022, 2055898, 2214044, 4111796, 7195643, 14391286, 28782572]

約数ペア:

[(1, 28782572), (2, 14391286), (4, 7195643), (7, 4111796), (13, 2214044), (14, 2055898), (26, 1107022), (28, 1027949), (52, 553511), (91, 316292), (107, 268996), (182, 158146), (214, 134498), (364, 79073), (428, 67249), (739, 38948), (749, 38428), (1391, 20692), (1478, 19474), (1498, 19214), (2782, 10346), (2956, 9737), (2996, 9607), (5173, 5564)]