2647645

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2$

素因数の和:82

約数の個数: 48

約数和(自身を含む): 4459392

約数和(自身を除く): 1811747

約数列:

[1, 5, 7, 11, 13, 23, 35, 55, 65, 77, 91, 115, 143, 161, 253, 299, 385, 455, 529, 715, 805, 1001, 1265, 1495, 1771, 2093, 2645, 3289, 3703, 5005, 5819, 6877, 8855, 10465, 16445, 18515, 23023, 29095, 34385, 40733, 48139, 75647, 115115, 203665, 240695, 378235, 529529, 2647645]

約数ペア:

[(1, 2647645), (5, 529529), (7, 378235), (11, 240695), (13, 203665), (23, 115115), (35, 75647), (55, 48139), (65, 40733), (77, 34385), (91, 29095), (115, 23023), (143, 18515), (161, 16445), (253, 10465), (299, 8855), (385, 6877), (455, 5819), (529, 5005), (715, 3703), (805, 3289), (1001, 2645), (1265, 2093), (1495, 1771)]