31721136

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{337}}^1$

素因数の和:438

約数の個数: 80

約数和(自身を含む): 86003424

約数和(自身を除く): 54282288

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 53, 74, 106, 111, 148, 159, 212, 222, 296, 318, 337, 424, 444, 592, 636, 674, 848, 888, 1011, 1272, 1348, 1776, 1961, 2022, 2544, 2696, 3922, 4044, 5392, 5883, 7844, 8088, 11766, 12469, 15688, 16176, 17861, 23532, 24938, 31376, 35722, 37407, 47064, 49876, 53583, 71444, 74814, 94128, 99752, 107166, 142888, 149628, 199504, 214332, 285776, 299256, 428664, 598512, 660857, 857328, 1321714, 1982571, 2643428, 3965142, 5286856, 7930284, 10573712, 15860568, 31721136]

約数ペア:

[(1, 31721136), (2, 15860568), (3, 10573712), (4, 7930284), (6, 5286856), (8, 3965142), (12, 2643428), (16, 1982571), (24, 1321714), (37, 857328), (48, 660857), (53, 598512), (74, 428664), (106, 299256), (111, 285776), (148, 214332), (159, 199504), (212, 149628), (222, 142888), (296, 107166), (318, 99752), (337, 94128), (424, 74814), (444, 71444), (592, 53583), (636, 49876), (674, 47064), (848, 37407), (888, 35722), (1011, 31376), (1272, 24938), (1348, 23532), (1776, 17861), (1961, 16176), (2022, 15688), (2544, 12469), (2696, 11766), (3922, 8088), (4044, 7844), (5392, 5883)]