2145978716

素因数分解:

$2^2\times 7^2\times {\mathrm{181}}^1\times {\mathrm{241}}^1\times {\mathrm{251}}^1$

素因数の和:691

約数の個数: 72

約数和(自身を含む): 4428536112

約数和(自身を除く): 2282557396

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 181, 196, 241, 251, 362, 482, 502, 724, 964, 1004, 1267, 1687, 1757, 2534, 3374, 3514, 5068, 6748, 7028, 8869, 11809, 12299, 17738, 23618, 24598, 35476, 43621, 45431, 47236, 49196, 60491, 87242, 90862, 120982, 174484, 181724, 241964, 305347, 318017, 423437, 610694, 636034, 846874, 1221388, 1272068, 1693748, 2137429, 2226119, 2964059, 4274858, 4452238, 5928118, 8549716, 8904476, 10948871, 11856236, 21897742, 43795484, 76642097, 153284194, 306568388, 536494679, 1072989358, 2145978716]

約数ペア:

[(1, 2145978716), (2, 1072989358), (4, 536494679), (7, 306568388), (14, 153284194), (28, 76642097), (49, 43795484), (98, 21897742), (181, 11856236), (196, 10948871), (241, 8904476), (251, 8549716), (362, 5928118), (482, 4452238), (502, 4274858), (724, 2964059), (964, 2226119), (1004, 2137429), (1267, 1693748), (1687, 1272068), (1757, 1221388), (2534, 846874), (3374, 636034), (3514, 610694), (5068, 423437), (6748, 318017), (7028, 305347), (8869, 241964), (11809, 181724), (12299, 174484), (17738, 120982), (23618, 90862), (24598, 87242), (35476, 60491), (43621, 49196), (45431, 47236)]