28415933

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1439}}^1$

素因数の和:1497

約数の個数: 24

約数和(自身を含む): 36771840

約数和(自身を除く): 8355907

約数列:

[1, 7, 13, 31, 49, 91, 217, 403, 637, 1439, 1519, 2821, 10073, 18707, 19747, 44609, 70511, 130949, 312263, 579917, 916643, 2185841, 4059419, 28415933]

約数ペア:

[(1, 28415933), (7, 4059419), (13, 2185841), (31, 916643), (49, 579917), (91, 312263), (217, 130949), (403, 70511), (637, 44609), (1439, 19747), (1519, 18707), (2821, 10073)]