31344775

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{857}}^1$

素因数の和:904

約数の個数: 48

約数和(自身を含む): 51068160

約数和(自身を除く): 19723385

約数列:

[1, 5, 7, 11, 19, 25, 35, 55, 77, 95, 133, 175, 209, 275, 385, 475, 665, 857, 1045, 1463, 1925, 3325, 4285, 5225, 5999, 7315, 9427, 16283, 21425, 29995, 36575, 47135, 65989, 81415, 113981, 149975, 179113, 235675, 329945, 407075, 569905, 895565, 1253791, 1649725, 2849525, 4477825, 6268955, 31344775]

約数ペア:

[(1, 31344775), (5, 6268955), (7, 4477825), (11, 2849525), (19, 1649725), (25, 1253791), (35, 895565), (55, 569905), (77, 407075), (95, 329945), (133, 235675), (175, 179113), (209, 149975), (275, 113981), (385, 81415), (475, 65989), (665, 47135), (857, 36575), (1045, 29995), (1463, 21425), (1925, 16283), (3325, 9427), (4285, 7315), (5225, 5999)]