205386064

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{987433}}^1$

素因数の和:987454

約数の個数: 20

約数和(自身を含む): 428546356

約数和(自身を除く): 223160292

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 987433, 1974866, 3949732, 7899464, 12836629, 15798928, 25673258, 51346516, 102693032, 205386064]

約数ペア:

[(1, 205386064), (2, 102693032), (4, 51346516), (8, 25673258), (13, 15798928), (16, 12836629), (26, 7899464), (52, 3949732), (104, 1974866), (208, 987433)]