669367868

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{821}}^1\times {\mathrm{15679}}^1$

素因数の和:16517

約数の個数: 24

約数和(自身を含む): 1263118080

約数和(自身を除く): 593750212

約数列:

[1, 2, 4, 13, 26, 52, 821, 1642, 3284, 10673, 15679, 21346, 31358, 42692, 62716, 203827, 407654, 815308, 12872459, 25744918, 51489836, 167341967, 334683934, 669367868]

約数ペア:

[(1, 669367868), (2, 334683934), (4, 167341967), (13, 51489836), (26, 25744918), (52, 12872459), (821, 815308), (1642, 407654), (3284, 203827), (10673, 62716), (15679, 42692), (21346, 31358)]