2773521485

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:251

約数の個数: 96

約数和(自身を含む): 4243986432

約数和(自身を除く): 1470464947

約数列:

[1, 5, 7, 19, 31, 35, 73, 95, 97, 133, 155, 217, 361, 365, 485, 511, 589, 665, 679, 1085, 1387, 1805, 1843, 2263, 2527, 2555, 2945, 3007, 3395, 4123, 6935, 7081, 9215, 9709, 11191, 11315, 12635, 12901, 15035, 15841, 20615, 21049, 26353, 35017, 35405, 42997, 48545, 49567, 55955, 57133, 64505, 78337, 79205, 105245, 131765, 134539, 175085, 184471, 214985, 219511, 245119, 247835, 285665, 300979, 391685, 399931, 672695, 816943, 922355, 941773, 1085527, 1097555, 1225595, 1504895, 1536577, 1999655, 2556241, 4084715, 4170709, 4708865, 5427635, 5718601, 7598689, 7682885, 12781205, 17893687, 20853545, 28593005, 29194963, 37993445, 79243471, 89468435, 145974815, 396217355, 554704297, 2773521485]

約数ペア:

[(1, 2773521485), (5, 554704297), (7, 396217355), (19, 145974815), (31, 89468435), (35, 79243471), (73, 37993445), (95, 29194963), (97, 28593005), (133, 20853545), (155, 17893687), (217, 12781205), (361, 7682885), (365, 7598689), (485, 5718601), (511, 5427635), (589, 4708865), (665, 4170709), (679, 4084715), (1085, 2556241), (1387, 1999655), (1805, 1536577), (1843, 1504895), (2263, 1225595), (2527, 1097555), (2555, 1085527), (2945, 941773), (3007, 922355), (3395, 816943), (4123, 672695), (6935, 399931), (7081, 391685), (9215, 300979), (9709, 285665), (11191, 247835), (11315, 245119), (12635, 219511), (12901, 214985), (15035, 184471), (15841, 175085), (20615, 134539), (21049, 131765), (26353, 105245), (35017, 79205), (35405, 78337), (42997, 64505), (48545, 57133), (49567, 55955)]