28240168315

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{66137}}^1$

素因数の和:66291

約数の個数: 32

約数和(自身を含む): 36571668480

約数和(自身を除く): 8331500165

約数列:

[1, 5, 23, 47, 79, 115, 235, 395, 1081, 1817, 3713, 5405, 9085, 18565, 66137, 85399, 330685, 426995, 1521151, 3108439, 5224823, 7605755, 15542195, 26124115, 71494097, 120170929, 245566681, 357470485, 600854645, 1227833405, 5648033663, 28240168315]

約数ペア:

[(1, 28240168315), (5, 5648033663), (23, 1227833405), (47, 600854645), (79, 357470485), (115, 245566681), (235, 120170929), (395, 71494097), (1081, 26124115), (1817, 15542195), (3713, 7605755), (5405, 5224823), (9085, 3108439), (18565, 1521151), (66137, 426995), (85399, 330685)]