218857788

素因数分解:

$2^2\times 3^4\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{683}}^1$

素因数の和:765

約数の個数: 120

約数和(自身を含む): 611791488

約数和(自身を除く): 392933700

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 43, 46, 54, 69, 81, 86, 92, 108, 129, 138, 162, 172, 207, 258, 276, 324, 387, 414, 516, 621, 683, 774, 828, 989, 1161, 1242, 1366, 1548, 1863, 1978, 2049, 2322, 2484, 2732, 2967, 3483, 3726, 3956, 4098, 4644, 5934, 6147, 6966, 7452, 8196, 8901, 11868, 12294, 13932, 15709, 17802, 18441, 24588, 26703, 29369, 31418, 35604, 36882, 47127, 53406, 55323, 58738, 62836, 73764, 80109, 88107, 94254, 106812, 110646, 117476, 141381, 160218, 176214, 188508, 221292, 264321, 282762, 320436, 352428, 424143, 528642, 565524, 675487, 792963, 848286, 1057284, 1272429, 1350974, 1585926, 1696572, 2026461, 2378889, 2544858, 2701948, 3171852, 4052922, 4757778, 5089716, 6079383, 8105844, 9515556, 12158766, 18238149, 24317532, 36476298, 54714447, 72952596, 109428894, 218857788]

約数ペア:

[(1, 218857788), (2, 109428894), (3, 72952596), (4, 54714447), (6, 36476298), (9, 24317532), (12, 18238149), (18, 12158766), (23, 9515556), (27, 8105844), (36, 6079383), (43, 5089716), (46, 4757778), (54, 4052922), (69, 3171852), (81, 2701948), (86, 2544858), (92, 2378889), (108, 2026461), (129, 1696572), (138, 1585926), (162, 1350974), (172, 1272429), (207, 1057284), (258, 848286), (276, 792963), (324, 675487), (387, 565524), (414, 528642), (516, 424143), (621, 352428), (683, 320436), (774, 282762), (828, 264321), (989, 221292), (1161, 188508), (1242, 176214), (1366, 160218), (1548, 141381), (1863, 117476), (1978, 110646), (2049, 106812), (2322, 94254), (2484, 88107), (2732, 80109), (2967, 73764), (3483, 62836), (3726, 58738), (3956, 55323), (4098, 53406), (4644, 47127), (5934, 36882), (6147, 35604), (6966, 31418), (7452, 29369), (8196, 26703), (8901, 24588), (11868, 18441), (12294, 17802), (13932, 15709)]