217966364

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{707683}}^1$

素因数の和:707705

約数の個数: 24

約数和(自身を含む): 475563648

約数和(自身を除く): 257597284

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 707683, 1415366, 2830732, 4953781, 7784513, 9907562, 15569026, 19815124, 31138052, 54491591, 108983182, 217966364]

約数ペア:

[(1, 217966364), (2, 108983182), (4, 54491591), (7, 31138052), (11, 19815124), (14, 15569026), (22, 9907562), (28, 7784513), (44, 4953781), (77, 2830732), (154, 1415366), (308, 707683)]