209821552

素因数分解:

$2^4\times {\mathrm{2459}}^1\times {\mathrm{5333}}^1$

素因数の和:7800

約数の個数: 20

約数和(自身を含む): 406770840

約数和(自身を除く): 196949288

約数列:

[1, 2, 4, 8, 16, 2459, 4918, 5333, 9836, 10666, 19672, 21332, 39344, 42664, 85328, 13113847, 26227694, 52455388, 104910776, 209821552]

約数ペア:

[(1, 209821552), (2, 104910776), (4, 52455388), (8, 26227694), (16, 13113847), (2459, 85328), (4918, 42664), (5333, 39344), (9836, 21332), (10666, 19672)]