318907984

素因数分解:

$2^4\times {\mathrm{1291}}^1\times {\mathrm{15439}}^1$

素因数の和:16738

約数の個数: 20

約数和(自身を含む): 618402880

約数和(自身を除く): 299494896

約数列:

[1, 2, 4, 8, 16, 1291, 2582, 5164, 10328, 15439, 20656, 30878, 61756, 123512, 247024, 19931749, 39863498, 79726996, 159453992, 318907984]

約数ペア:

[(1, 318907984), (2, 159453992), (4, 79726996), (8, 39863498), (16, 19931749), (1291, 247024), (2582, 123512), (5164, 61756), (10328, 30878), (15439, 20656)]