28091556

素因数分解:

$2^2\times 3^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1$

素因数の和:342

約数の個数: 96

約数和(自身を含む): 78059520

約数和(自身を除く): 49967964

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 43, 46, 54, 69, 86, 92, 108, 129, 138, 172, 207, 258, 263, 276, 387, 414, 516, 526, 621, 774, 789, 828, 989, 1052, 1161, 1242, 1548, 1578, 1978, 2322, 2367, 2484, 2967, 3156, 3956, 4644, 4734, 5934, 6049, 7101, 8901, 9468, 11309, 11868, 12098, 14202, 17802, 18147, 22618, 24196, 26703, 28404, 33927, 35604, 36294, 45236, 53406, 54441, 67854, 72588, 101781, 106812, 108882, 135708, 163323, 203562, 217764, 260107, 305343, 326646, 407124, 520214, 610686, 653292, 780321, 1040428, 1221372, 1560642, 2340963, 3121284, 4681926, 7022889, 9363852, 14045778, 28091556]

約数ペア:

[(1, 28091556), (2, 14045778), (3, 9363852), (4, 7022889), (6, 4681926), (9, 3121284), (12, 2340963), (18, 1560642), (23, 1221372), (27, 1040428), (36, 780321), (43, 653292), (46, 610686), (54, 520214), (69, 407124), (86, 326646), (92, 305343), (108, 260107), (129, 217764), (138, 203562), (172, 163323), (207, 135708), (258, 108882), (263, 106812), (276, 101781), (387, 72588), (414, 67854), (516, 54441), (526, 53406), (621, 45236), (774, 36294), (789, 35604), (828, 33927), (989, 28404), (1052, 26703), (1161, 24196), (1242, 22618), (1548, 18147), (1578, 17802), (1978, 14202), (2322, 12098), (2367, 11868), (2484, 11309), (2967, 9468), (3156, 8901), (3956, 7101), (4644, 6049), (4734, 5934)]