820909258

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{227147}}^1$

素因数の和:227301

約数の個数: 16

約数和(自身を含む): 1335630240

約数和(自身を除く): 514720982

約数列:

[1, 2, 13, 26, 139, 278, 1807, 3614, 227147, 454294, 2952911, 5905822, 31573433, 63146866, 410454629, 820909258]

約数ペア:

[(1, 820909258), (2, 410454629), (13, 63146866), (26, 31573433), (139, 5905822), (278, 2952911), (1807, 454294), (3614, 227147)]