222920944

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{457}}^1\times {\mathrm{709}}^1$

素因数の和:1217

約数の個数: 40

約数和(自身を含む): 443545520

約数和(自身を除く): 220624576

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 457, 688, 709, 914, 1418, 1828, 2836, 3656, 5672, 7312, 11344, 19651, 30487, 39302, 60974, 78604, 121948, 157208, 243896, 314416, 324013, 487792, 648026, 1296052, 2592104, 5184208, 13932559, 27865118, 55730236, 111460472, 222920944]

約数ペア:

[(1, 222920944), (2, 111460472), (4, 55730236), (8, 27865118), (16, 13932559), (43, 5184208), (86, 2592104), (172, 1296052), (344, 648026), (457, 487792), (688, 324013), (709, 314416), (914, 243896), (1418, 157208), (1828, 121948), (2836, 78604), (3656, 60974), (5672, 39302), (7312, 30487), (11344, 19651)]