128423928

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1\times {\mathrm{443}}^1$

素因数の和:756

約数の個数: 64

約数和(自身を含む): 329909760

約数和(自身を除く): 201485832

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 94, 141, 188, 257, 282, 376, 443, 514, 564, 771, 886, 1028, 1128, 1329, 1542, 1772, 2056, 2658, 3084, 3544, 5316, 6168, 10632, 12079, 20821, 24158, 36237, 41642, 48316, 62463, 72474, 83284, 96632, 113851, 124926, 144948, 166568, 227702, 249852, 289896, 341553, 455404, 499704, 683106, 910808, 1366212, 2732424, 5350997, 10701994, 16052991, 21403988, 32105982, 42807976, 64211964, 128423928]

約数ペア:

[(1, 128423928), (2, 64211964), (3, 42807976), (4, 32105982), (6, 21403988), (8, 16052991), (12, 10701994), (24, 5350997), (47, 2732424), (94, 1366212), (141, 910808), (188, 683106), (257, 499704), (282, 455404), (376, 341553), (443, 289896), (514, 249852), (564, 227702), (771, 166568), (886, 144948), (1028, 124926), (1128, 113851), (1329, 96632), (1542, 83284), (1772, 72474), (2056, 62463), (2658, 48316), (3084, 41642), (3544, 36237), (5316, 24158), (6168, 20821), (10632, 12079)]