290217473

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{138661}}^1$

素因数の和:138704

約数の個数: 16

約数和(自身を含む): 372723456

約数和(自身を除く): 82505983

約数列:

[1, 7, 13, 23, 91, 161, 299, 2093, 138661, 970627, 1802593, 3189203, 12618151, 22324421, 41459639, 290217473]

約数ペア:

[(1, 290217473), (7, 41459639), (13, 22324421), (23, 12618151), (91, 3189203), (161, 1802593), (299, 970627), (2093, 138661)]