217489744

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{120293}}^1$

素因数の和:120414

約数の個数: 20

約数和(自身を含む): 425118996

約数和(自身を除く): 207629252

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 120293, 240586, 481172, 962344, 1924688, 13593109, 27186218, 54372436, 108744872, 217489744]

約数ペア:

[(1, 217489744), (2, 108744872), (4, 54372436), (8, 27186218), (16, 13593109), (113, 1924688), (226, 962344), (452, 481172), (904, 240586), (1808, 120293)]