281812492

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1$

素因数の和:590

約数の個数: 48

約数和(自身を含む): 540897280

約数和(自身を除く): 259084788

約数列:

[1, 2, 4, 13, 26, 52, 127, 139, 254, 278, 307, 508, 556, 614, 1228, 1651, 1807, 3302, 3614, 3991, 6604, 7228, 7982, 15964, 17653, 35306, 38989, 42673, 70612, 77978, 85346, 155956, 170692, 229489, 458978, 506857, 554749, 917956, 1013714, 1109498, 2027428, 2218996, 5419471, 10838942, 21677884, 70453123, 140906246, 281812492]

約数ペア:

[(1, 281812492), (2, 140906246), (4, 70453123), (13, 21677884), (26, 10838942), (52, 5419471), (127, 2218996), (139, 2027428), (254, 1109498), (278, 1013714), (307, 917956), (508, 554749), (556, 506857), (614, 458978), (1228, 229489), (1651, 170692), (1807, 155956), (3302, 85346), (3614, 77978), (3991, 70612), (6604, 42673), (7228, 38989), (7982, 35306), (15964, 17653)]