208839568

素因数分解:

$2^4\times 7^2\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:225

約数の個数: 120

約数和(自身を含む): 494265240

約数和(自身を除く): 285425672

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 49, 56, 73, 82, 89, 98, 112, 146, 164, 178, 196, 287, 292, 328, 356, 392, 511, 574, 584, 623, 656, 712, 784, 1022, 1148, 1168, 1246, 1424, 2009, 2044, 2296, 2492, 2993, 3577, 3649, 4018, 4088, 4361, 4592, 4984, 5986, 6497, 7154, 7298, 8036, 8176, 8722, 9968, 11972, 12994, 14308, 14596, 16072, 17444, 20951, 23944, 25543, 25988, 28616, 29192, 32144, 34888, 41902, 45479, 47888, 51086, 51976, 57232, 58384, 69776, 83804, 90958, 102172, 103952, 146657, 167608, 178801, 181916, 204344, 266377, 293314, 318353, 335216, 357602, 363832, 408688, 532754, 586628, 636706, 715204, 727664, 1065508, 1173256, 1273412, 1430408, 1864639, 2131016, 2346512, 2546824, 2860816, 3729278, 4262032, 5093648, 7458556, 13052473, 14917112, 26104946, 29834224, 52209892, 104419784, 208839568]

約数ペア:

[(1, 208839568), (2, 104419784), (4, 52209892), (7, 29834224), (8, 26104946), (14, 14917112), (16, 13052473), (28, 7458556), (41, 5093648), (49, 4262032), (56, 3729278), (73, 2860816), (82, 2546824), (89, 2346512), (98, 2131016), (112, 1864639), (146, 1430408), (164, 1273412), (178, 1173256), (196, 1065508), (287, 727664), (292, 715204), (328, 636706), (356, 586628), (392, 532754), (511, 408688), (574, 363832), (584, 357602), (623, 335216), (656, 318353), (712, 293314), (784, 266377), (1022, 204344), (1148, 181916), (1168, 178801), (1246, 167608), (1424, 146657), (2009, 103952), (2044, 102172), (2296, 90958), (2492, 83804), (2993, 69776), (3577, 58384), (3649, 57232), (4018, 51976), (4088, 51086), (4361, 47888), (4592, 45479), (4984, 41902), (5986, 34888), (6497, 32144), (7154, 29192), (7298, 28616), (8036, 25988), (8176, 25543), (8722, 23944), (9968, 20951), (11972, 17444), (12994, 16072), (14308, 14596)]