198156970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{7177}}^1$

素因数の和:7446

約数の個数: 32

約数和(自身を含む): 390712896

約数和(自身を除く): 192555926

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 251, 502, 1255, 2510, 2761, 5522, 7177, 13805, 14354, 27610, 35885, 71770, 78947, 157894, 394735, 789470, 1801427, 3602854, 9007135, 18014270, 19815697, 39631394, 99078485, 198156970]

約数ペア:

[(1, 198156970), (2, 99078485), (5, 39631394), (10, 19815697), (11, 18014270), (22, 9007135), (55, 3602854), (110, 1801427), (251, 789470), (502, 394735), (1255, 157894), (2510, 78947), (2761, 71770), (5522, 35885), (7177, 27610), (13805, 14354)]