209723917

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 248984064

約数和(自身を除く): 39260147

約数列:

[1, 13, 17, 47, 61, 221, 331, 611, 793, 799, 1037, 2867, 4303, 5627, 10387, 13481, 15557, 20191, 37271, 48739, 73151, 202241, 262483, 264469, 343247, 633607, 948977, 3438097, 4462211, 12336701, 16132609, 209723917]

約数ペア:

[(1, 209723917), (13, 16132609), (17, 12336701), (47, 4462211), (61, 3438097), (221, 948977), (331, 633607), (611, 343247), (793, 264469), (799, 262483), (1037, 202241), (2867, 73151), (4303, 48739), (5627, 37271), (10387, 20191), (13481, 15557)]