17661390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{13691}}^1$

素因数の和:13744

約数の個数: 32

約数和(自身を含む): 43376256

約数和(自身を除く): 25714866

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 13691, 27382, 41073, 68455, 82146, 136910, 205365, 410730, 588713, 1177426, 1766139, 2943565, 3532278, 5887130, 8830695, 17661390]

約数ペア:

[(1, 17661390), (2, 8830695), (3, 5887130), (5, 3532278), (6, 2943565), (10, 1766139), (15, 1177426), (30, 588713), (43, 410730), (86, 205365), (129, 136910), (215, 82146), (258, 68455), (430, 41073), (645, 27382), (1290, 13691)]