865050004

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{10657}}^1$

素因数の和:10904

約数の個数: 48

約数和(自身を含む): 1871715328

約数和(自身を除く): 1006665324

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 223, 364, 446, 892, 1561, 2899, 3122, 5798, 6244, 10657, 11596, 20293, 21314, 40586, 42628, 74599, 81172, 138541, 149198, 277082, 298396, 554164, 969787, 1939574, 2376511, 3879148, 4753022, 9506044, 16635577, 30894643, 33271154, 61789286, 66542308, 123578572, 216262501, 432525002, 865050004]

約数ペア:

[(1, 865050004), (2, 432525002), (4, 216262501), (7, 123578572), (13, 66542308), (14, 61789286), (26, 33271154), (28, 30894643), (52, 16635577), (91, 9506044), (182, 4753022), (223, 3879148), (364, 2376511), (446, 1939574), (892, 969787), (1561, 554164), (2899, 298396), (3122, 277082), (5798, 149198), (6244, 138541), (10657, 81172), (11596, 74599), (20293, 42628), (21314, 40586)]