71581224

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{20857}}^1$

素因数の和:20890

約数の個数: 64

約数和(自身を含む): 210248640

約数和(自身を除く): 138667416

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 33, 39, 44, 52, 66, 78, 88, 104, 132, 143, 156, 264, 286, 312, 429, 572, 858, 1144, 1716, 3432, 20857, 41714, 62571, 83428, 125142, 166856, 229427, 250284, 271141, 458854, 500568, 542282, 688281, 813423, 917708, 1084564, 1376562, 1626846, 1835416, 2169128, 2753124, 2982551, 3253692, 5506248, 5965102, 6507384, 8947653, 11930204, 17895306, 23860408, 35790612, 71581224]

約数ペア:

[(1, 71581224), (2, 35790612), (3, 23860408), (4, 17895306), (6, 11930204), (8, 8947653), (11, 6507384), (12, 5965102), (13, 5506248), (22, 3253692), (24, 2982551), (26, 2753124), (33, 2169128), (39, 1835416), (44, 1626846), (52, 1376562), (66, 1084564), (78, 917708), (88, 813423), (104, 688281), (132, 542282), (143, 500568), (156, 458854), (264, 271141), (286, 250284), (312, 229427), (429, 166856), (572, 125142), (858, 83428), (1144, 62571), (1716, 41714), (3432, 20857)]