31298995

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 48722688

約数和(自身を除く): 17423693

約数列:

[1, 5, 7, 13, 31, 35, 49, 65, 91, 155, 217, 245, 317, 403, 455, 637, 1085, 1519, 1585, 2015, 2219, 2821, 3185, 4121, 7595, 9827, 11095, 14105, 15533, 19747, 20605, 28847, 49135, 68789, 77665, 98735, 127751, 144235, 201929, 343945, 481523, 638755, 894257, 1009645, 2407615, 4471285, 6259799, 31298995]

約数ペア:

[(1, 31298995), (5, 6259799), (7, 4471285), (13, 2407615), (31, 1009645), (35, 894257), (49, 638755), (65, 481523), (91, 343945), (155, 201929), (217, 144235), (245, 127751), (317, 98735), (403, 77665), (455, 68789), (637, 49135), (1085, 28847), (1519, 20605), (1585, 19747), (2015, 15533), (2219, 14105), (2821, 11095), (3185, 9827), (4121, 7595)]