31213184

素因数分解:

$2^7\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:217

約数の個数: 64

約数和(自身を含む): 65435040

約数和(自身を除く): 34221856

約数列:

[1, 2, 4, 8, 16, 32, 43, 53, 64, 86, 106, 107, 128, 172, 212, 214, 344, 424, 428, 688, 848, 856, 1376, 1696, 1712, 2279, 2752, 3392, 3424, 4558, 4601, 5504, 5671, 6784, 6848, 9116, 9202, 11342, 13696, 18232, 18404, 22684, 36464, 36808, 45368, 72928, 73616, 90736, 145856, 147232, 181472, 243853, 291712, 294464, 362944, 487706, 588928, 725888, 975412, 1950824, 3901648, 7803296, 15606592, 31213184]

約数ペア:

[(1, 31213184), (2, 15606592), (4, 7803296), (8, 3901648), (16, 1950824), (32, 975412), (43, 725888), (53, 588928), (64, 487706), (86, 362944), (106, 294464), (107, 291712), (128, 243853), (172, 181472), (212, 147232), (214, 145856), (344, 90736), (424, 73616), (428, 72928), (688, 45368), (848, 36808), (856, 36464), (1376, 22684), (1696, 18404), (1712, 18232), (2279, 13696), (2752, 11342), (3392, 9202), (3424, 9116), (4558, 6848), (4601, 6784), (5504, 5671)]