209127914

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{15731}}^1$

素因数の和:15790

約数の個数: 24

約数和(自身を含む): 347740128

約数和(自身を除く): 138612214

約数列:

[1, 2, 17, 23, 34, 46, 289, 391, 578, 782, 6647, 13294, 15731, 31462, 267427, 361813, 534854, 723626, 4546259, 6150821, 9092518, 12301642, 104563957, 209127914]

約数ペア:

[(1, 209127914), (2, 104563957), (17, 12301642), (23, 9092518), (34, 6150821), (46, 4546259), (289, 723626), (391, 534854), (578, 361813), (782, 267427), (6647, 31462), (13294, 15731)]