1221886888

素因数分解:

$2^3\times {\mathrm{277}}^1\times {\mathrm{491}}^1\times {\mathrm{1123}}^1$

素因数の和:1897

約数の個数: 32

約数和(自身を含む): 2306043360

約数和(自身を除く): 1084156472

約数列:

[1, 2, 4, 8, 277, 491, 554, 982, 1108, 1123, 1964, 2216, 2246, 3928, 4492, 8984, 136007, 272014, 311071, 544028, 551393, 622142, 1088056, 1102786, 1244284, 2205572, 2488568, 4411144, 152735861, 305471722, 610943444, 1221886888]

約数ペア:

[(1, 1221886888), (2, 610943444), (4, 305471722), (8, 152735861), (277, 4411144), (491, 2488568), (554, 2205572), (982, 1244284), (1108, 1102786), (1123, 1088056), (1964, 622142), (2216, 551393), (2246, 544028), (3928, 311071), (4492, 272014), (8984, 136007)]