156978000005

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{5711}}^1\times {\mathrm{239017}}^1$

素因数の和:244756

約数の個数: 16

約数和(自身を含む): 196598997504

約数和(自身を除く): 39620997499

約数列:

[1, 5, 23, 115, 5711, 28555, 131353, 239017, 656765, 1195085, 5497391, 27486955, 1365026087, 6825130435, 31395600001, 156978000005]

約数ペア:

[(1, 156978000005), (5, 31395600001), (23, 6825130435), (115, 1365026087), (5711, 27486955), (28555, 5497391), (131353, 1195085), (239017, 656765)]