12778526

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:320

約数の個数: 32

約数和(自身を含む): 21669120

約数和(自身を除く): 8890594

約数列:

[1, 2, 17, 19, 34, 38, 131, 151, 262, 302, 323, 646, 2227, 2489, 2567, 2869, 4454, 4978, 5134, 5738, 19781, 39562, 42313, 48773, 84626, 97546, 336277, 375839, 672554, 751678, 6389263, 12778526]

約数ペア:

[(1, 12778526), (2, 6389263), (17, 751678), (19, 672554), (34, 375839), (38, 336277), (131, 97546), (151, 84626), (262, 48773), (302, 42313), (323, 39562), (646, 19781), (2227, 5738), (2489, 5134), (2567, 4978), (2869, 4454)]