156779285

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{661}}^1$

素因数の和:809

約数の個数: 32

約数和(自身を含む): 210198240

約数和(自身を除く): 53418955

約数列:

[1, 5, 13, 41, 65, 89, 205, 445, 533, 661, 1157, 2665, 3305, 3649, 5785, 8593, 18245, 27101, 42965, 47437, 58829, 135505, 237185, 294145, 352313, 764777, 1761565, 2411989, 3823885, 12059945, 31355857, 156779285]

約数ペア:

[(1, 156779285), (5, 31355857), (13, 12059945), (41, 3823885), (65, 2411989), (89, 1761565), (205, 764777), (445, 352313), (533, 294145), (661, 237185), (1157, 135505), (2665, 58829), (3305, 47437), (3649, 42965), (5785, 27101), (8593, 18245)]