28390730

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{91583}}^1$

素因数の和:91621

約数の個数: 16

約数和(自身を含む): 52752384

約数和(自身を除く): 24361654

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 91583, 183166, 457915, 915830, 2839073, 5678146, 14195365, 28390730]

約数ペア:

[(1, 28390730), (2, 14195365), (5, 5678146), (10, 2839073), (31, 915830), (62, 457915), (155, 183166), (310, 91583)]