64978774

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{65371}}^1$

素因数の和:65451

約数の個数: 16

約数和(自身を含む): 112962816

約数和(自身を除く): 47984042

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 65371, 130742, 457597, 915194, 4641341, 9282682, 32489387, 64978774]

約数ペア:

[(1, 64978774), (2, 32489387), (7, 9282682), (14, 4641341), (71, 915194), (142, 457597), (497, 130742), (994, 65371)]