27988428

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{373}}^1$

素因数の和:443

約数の個数: 72

約数和(自身を含む): 72822288

約数和(自身を除く): 44833860

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 37, 39, 52, 74, 78, 111, 148, 156, 169, 222, 338, 373, 444, 481, 507, 676, 746, 962, 1014, 1119, 1443, 1492, 1924, 2028, 2238, 2886, 4476, 4849, 5772, 6253, 9698, 12506, 13801, 14547, 18759, 19396, 25012, 27602, 29094, 37518, 41403, 55204, 58188, 63037, 75036, 82806, 126074, 165612, 179413, 189111, 252148, 358826, 378222, 538239, 717652, 756444, 1076478, 2152956, 2332369, 4664738, 6997107, 9329476, 13994214, 27988428]

約数ペア:

[(1, 27988428), (2, 13994214), (3, 9329476), (4, 6997107), (6, 4664738), (12, 2332369), (13, 2152956), (26, 1076478), (37, 756444), (39, 717652), (52, 538239), (74, 378222), (78, 358826), (111, 252148), (148, 189111), (156, 179413), (169, 165612), (222, 126074), (338, 82806), (373, 75036), (444, 63037), (481, 58188), (507, 55204), (676, 41403), (746, 37518), (962, 29094), (1014, 27602), (1119, 25012), (1443, 19396), (1492, 18759), (1924, 14547), (2028, 13801), (2238, 12506), (2886, 9698), (4476, 6253), (4849, 5772)]