40391478

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{229}}^1\times {\mathrm{239}}^1$

素因数の和:517

約数の個数: 48

約数和(自身を含む): 90417600

約数和(自身を除く): 50026122

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 229, 239, 246, 369, 458, 478, 687, 717, 738, 1374, 1434, 2061, 2151, 4122, 4302, 9389, 9799, 18778, 19598, 28167, 29397, 54731, 56334, 58794, 84501, 88191, 109462, 164193, 169002, 176382, 328386, 492579, 985158, 2243971, 4487942, 6731913, 13463826, 20195739, 40391478]

約数ペア:

[(1, 40391478), (2, 20195739), (3, 13463826), (6, 6731913), (9, 4487942), (18, 2243971), (41, 985158), (82, 492579), (123, 328386), (229, 176382), (239, 169002), (246, 164193), (369, 109462), (458, 88191), (478, 84501), (687, 58794), (717, 56334), (738, 54731), (1374, 29397), (1434, 28167), (2061, 19598), (2151, 18778), (4122, 9799), (4302, 9389)]