28750266

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{239}}^1$

素因数の和:451

約数の個数: 48

約数和(自身を含む): 64471680

約数和(自身を除く): 35721414

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 163, 239, 246, 326, 369, 478, 489, 717, 738, 978, 1434, 1467, 2151, 2934, 4302, 6683, 9799, 13366, 19598, 20049, 29397, 38957, 40098, 58794, 60147, 77914, 88191, 116871, 120294, 176382, 233742, 350613, 701226, 1597237, 3194474, 4791711, 9583422, 14375133, 28750266]

約数ペア:

[(1, 28750266), (2, 14375133), (3, 9583422), (6, 4791711), (9, 3194474), (18, 1597237), (41, 701226), (82, 350613), (123, 233742), (163, 176382), (239, 120294), (246, 116871), (326, 88191), (369, 77914), (478, 60147), (489, 58794), (717, 40098), (738, 38957), (978, 29397), (1434, 20049), (1467, 19598), (2151, 13366), (2934, 9799), (4302, 6683)]