12643376

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:138

約数の個数: 80

約数和(自身を含む): 28283904

約数和(自身を除く): 15640528

約数列:

[1, 2, 4, 8, 16, 17, 23, 34, 43, 46, 47, 68, 86, 92, 94, 136, 172, 184, 188, 272, 344, 368, 376, 391, 688, 731, 752, 782, 799, 989, 1081, 1462, 1564, 1598, 1978, 2021, 2162, 2924, 3128, 3196, 3956, 4042, 4324, 5848, 6256, 6392, 7912, 8084, 8648, 11696, 12784, 15824, 16168, 16813, 17296, 18377, 32336, 33626, 34357, 36754, 46483, 67252, 68714, 73508, 92966, 134504, 137428, 147016, 185932, 269008, 274856, 294032, 371864, 549712, 743728, 790211, 1580422, 3160844, 6321688, 12643376]

約数ペア:

[(1, 12643376), (2, 6321688), (4, 3160844), (8, 1580422), (16, 790211), (17, 743728), (23, 549712), (34, 371864), (43, 294032), (46, 274856), (47, 269008), (68, 185932), (86, 147016), (92, 137428), (94, 134504), (136, 92966), (172, 73508), (184, 68714), (188, 67252), (272, 46483), (344, 36754), (368, 34357), (376, 33626), (391, 32336), (688, 18377), (731, 17296), (752, 16813), (782, 16168), (799, 15824), (989, 12784), (1081, 11696), (1462, 8648), (1564, 8084), (1598, 7912), (1978, 6392), (2021, 6256), (2162, 5848), (2924, 4324), (3128, 4042), (3196, 3956)]