217121254

素因数分解:

$2^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{59879}}^1$

素因数の和:59932

約数の個数: 24

約数和(自身を含む): 389100240

約数和(自身を除く): 171978986

約数列:

[1, 2, 7, 14, 37, 49, 74, 98, 259, 518, 1813, 3626, 59879, 119758, 419153, 838306, 2215523, 2934071, 4431046, 5868142, 15508661, 31017322, 108560627, 217121254]

約数ペア:

[(1, 217121254), (2, 108560627), (7, 31017322), (14, 15508661), (37, 5868142), (49, 4431046), (74, 2934071), (98, 2215523), (259, 838306), (518, 419153), (1813, 119758), (3626, 59879)]