1561688868

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{22543}}^1$

素因数の和:22824

約数の個数: 48

約数和(自身を含む): 3817691136

約数和(自身を除く): 2256002268

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 251, 276, 502, 753, 1004, 1506, 3012, 5773, 11546, 17319, 22543, 23092, 34638, 45086, 67629, 69276, 90172, 135258, 270516, 518489, 1036978, 1555467, 2073956, 3110934, 5658293, 6221868, 11316586, 16974879, 22633172, 33949758, 67899516, 130140739, 260281478, 390422217, 520562956, 780844434, 1561688868]

約数ペア:

[(1, 1561688868), (2, 780844434), (3, 520562956), (4, 390422217), (6, 260281478), (12, 130140739), (23, 67899516), (46, 33949758), (69, 22633172), (92, 16974879), (138, 11316586), (251, 6221868), (276, 5658293), (502, 3110934), (753, 2073956), (1004, 1555467), (1506, 1036978), (3012, 518489), (5773, 270516), (11546, 135258), (17319, 90172), (22543, 69276), (23092, 67629), (34638, 45086)]