205767430

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{81331}}^1$

素因数の和:81372

約数の個数: 32

約数和(自身を含む): 421625088

約数和(自身を除く): 215857658

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 81331, 162662, 406655, 813310, 894641, 1789282, 1870613, 3741226, 4473205, 8946410, 9353065, 18706130, 20576743, 41153486, 102883715, 205767430]

約数ペア:

[(1, 205767430), (2, 102883715), (5, 41153486), (10, 20576743), (11, 18706130), (22, 9353065), (23, 8946410), (46, 4473205), (55, 3741226), (110, 1870613), (115, 1789282), (230, 894641), (253, 813310), (506, 406655), (1265, 162662), (2530, 81331)]