221520404

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{465379}}^1$

素因数の和:465407

約数の個数: 24

約数和(自身を含む): 469103040

約数和(自身を除く): 247582636

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 465379, 930758, 1861516, 3257653, 6515306, 7911443, 13030612, 15822886, 31645772, 55380101, 110760202, 221520404]

約数ペア:

[(1, 221520404), (2, 110760202), (4, 55380101), (7, 31645772), (14, 15822886), (17, 13030612), (28, 7911443), (34, 6515306), (68, 3257653), (119, 1861516), (238, 930758), (476, 465379)]