12778834328

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{21977}}^1\times {\mathrm{5591}}^1$

素因数の和:27587

約数の個数: 32

約数和(自身を含む): 25809204960

約数和(自身を除く): 13030370632

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 5591, 11182, 21977, 22364, 43954, 44728, 72683, 87908, 145366, 175816, 285701, 290732, 571402, 581464, 1142804, 2285608, 122873407, 245746814, 491493628, 982987256, 1597354291, 3194708582, 6389417164, 12778834328]

約数ペア:

[(1, 12778834328), (2, 6389417164), (4, 3194708582), (8, 1597354291), (13, 982987256), (26, 491493628), (52, 245746814), (104, 122873407), (5591, 2285608), (11182, 1142804), (21977, 581464), (22364, 571402), (43954, 290732), (44728, 285701), (72683, 175816), (87908, 145366)]