28122535987

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1\times {\mathrm{1231}}^1$

素因数の和:1524

約数の個数: 64

約数和(自身を含む): 37167370240

約数和(自身を除く): 9044834253

約数列:

[1, 7, 13, 19, 73, 91, 133, 181, 247, 511, 949, 1231, 1267, 1387, 1729, 2353, 3439, 6643, 8617, 9709, 13213, 16003, 16471, 18031, 23389, 24073, 44707, 89863, 92491, 112021, 126217, 163723, 171769, 222811, 251047, 304057, 312949, 629041, 1168219, 1202383, 1559677, 1707397, 1757329, 2128399, 2896543, 3263611, 4233409, 8177533, 11951779, 16265203, 20275801, 22196161, 22845277, 29633863, 55034317, 113856421, 155373127, 211447639, 309038857, 385240219, 1480133473, 2163271999, 4017505141, 28122535987]

約数ペア:

[(1, 28122535987), (7, 4017505141), (13, 2163271999), (19, 1480133473), (73, 385240219), (91, 309038857), (133, 211447639), (181, 155373127), (247, 113856421), (511, 55034317), (949, 29633863), (1231, 22845277), (1267, 22196161), (1387, 20275801), (1729, 16265203), (2353, 11951779), (3439, 8177533), (6643, 4233409), (8617, 3263611), (9709, 2896543), (13213, 2128399), (16003, 1757329), (16471, 1707397), (18031, 1559677), (23389, 1202383), (24073, 1168219), (44707, 629041), (89863, 312949), (92491, 304057), (112021, 251047), (126217, 222811), (163723, 171769)]