81987828

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{4651}}^1$

素因数の和:4784

約数の個数: 48

約数和(自身を含む): 207888576

約数和(自身を除く): 125900748

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 113, 156, 226, 339, 452, 678, 1356, 1469, 2938, 4407, 4651, 5876, 8814, 9302, 13953, 17628, 18604, 27906, 55812, 60463, 120926, 181389, 241852, 362778, 525563, 725556, 1051126, 1576689, 2102252, 3153378, 6306756, 6832319, 13664638, 20496957, 27329276, 40993914, 81987828]

約数ペア:

[(1, 81987828), (2, 40993914), (3, 27329276), (4, 20496957), (6, 13664638), (12, 6832319), (13, 6306756), (26, 3153378), (39, 2102252), (52, 1576689), (78, 1051126), (113, 725556), (156, 525563), (226, 362778), (339, 241852), (452, 181389), (678, 120926), (1356, 60463), (1469, 55812), (2938, 27906), (4407, 18604), (4651, 17628), (5876, 13953), (8814, 9302)]