31883984

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{383}}^1$

素因数の和:456

約数の個数: 60

約数和(自身を含む): 69662208

約数和(自身を除く): 37778224

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 86, 88, 121, 172, 176, 242, 344, 383, 473, 484, 688, 766, 946, 968, 1532, 1892, 1936, 3064, 3784, 4213, 5203, 6128, 7568, 8426, 10406, 16469, 16852, 20812, 32938, 33704, 41624, 46343, 65876, 67408, 83248, 92686, 131752, 181159, 185372, 263504, 362318, 370744, 724636, 741488, 1449272, 1992749, 2898544, 3985498, 7970996, 15941992, 31883984]

約数ペア:

[(1, 31883984), (2, 15941992), (4, 7970996), (8, 3985498), (11, 2898544), (16, 1992749), (22, 1449272), (43, 741488), (44, 724636), (86, 370744), (88, 362318), (121, 263504), (172, 185372), (176, 181159), (242, 131752), (344, 92686), (383, 83248), (473, 67408), (484, 65876), (688, 46343), (766, 41624), (946, 33704), (968, 32938), (1532, 20812), (1892, 16852), (1936, 16469), (3064, 10406), (3784, 8426), (4213, 7568), (5203, 6128)]