205964690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{13613}}^1$

素因数の和:13726

約数の個数: 32

約数和(自身を含む): 396984240

約数和(自身を除く): 191019550

約数列:

[1, 2, 5, 10, 17, 34, 85, 89, 170, 178, 445, 890, 1513, 3026, 7565, 13613, 15130, 27226, 68065, 136130, 231421, 462842, 1157105, 1211557, 2314210, 2423114, 6057785, 12115570, 20596469, 41192938, 102982345, 205964690]

約数ペア:

[(1, 205964690), (2, 102982345), (5, 41192938), (10, 20596469), (17, 12115570), (34, 6057785), (85, 2423114), (89, 2314210), (170, 1211557), (178, 1157105), (445, 462842), (890, 231421), (1513, 136130), (3026, 68065), (7565, 27226), (13613, 15130)]