77981345

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{2357}}^1$

素因数の和:2884

約数の個数: 16

約数和(自身を含む): 101016720

約数和(自身を除く): 23035375

約数列:

[1, 5, 13, 65, 509, 2357, 2545, 6617, 11785, 30641, 33085, 153205, 1199713, 5998565, 15596269, 77981345]

約数ペア:

[(1, 77981345), (5, 15596269), (13, 5998565), (65, 1199713), (509, 153205), (2357, 33085), (2545, 30641), (6617, 11785)]