217645570

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{2333}}^1$

素因数の和:2850

約数の個数: 32

約数和(自身を含む): 413398080

約数和(自身を除く): 195752510

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 491, 982, 2333, 2455, 4666, 4910, 9329, 11665, 18658, 23330, 44327, 46645, 88654, 93290, 221635, 443270, 1145503, 2291006, 5727515, 11455030, 21764557, 43529114, 108822785, 217645570]

約数ペア:

[(1, 217645570), (2, 108822785), (5, 43529114), (10, 21764557), (19, 11455030), (38, 5727515), (95, 2291006), (190, 1145503), (491, 443270), (982, 221635), (2333, 93290), (2455, 88654), (4666, 46645), (4910, 44327), (9329, 23330), (11665, 18658)]