77760016

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{61519}}^1$

素因数の和:61606

約数の個数: 20

約数和(自身を含む): 152569600

約数和(自身を除く): 74809584

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 61519, 123038, 246076, 492152, 984304, 4860001, 9720002, 19440004, 38880008, 77760016]

約数ペア:

[(1, 77760016), (2, 38880008), (4, 19440004), (8, 9720002), (16, 4860001), (79, 984304), (158, 492152), (316, 246076), (632, 123038), (1264, 61519)]