81441672

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{261031}}^1$

素因数の和:261053

約数の個数: 32

約数和(自身を含む): 219266880

約数和(自身を除く): 137825208

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 261031, 522062, 783093, 1044124, 1566186, 2088248, 3132372, 3393403, 6264744, 6786806, 10180209, 13573612, 20360418, 27147224, 40720836, 81441672]

約数ペア:

[(1, 81441672), (2, 40720836), (3, 27147224), (4, 20360418), (6, 13573612), (8, 10180209), (12, 6786806), (13, 6264744), (24, 3393403), (26, 3132372), (39, 2088248), (52, 1566186), (78, 1044124), (104, 783093), (156, 522062), (312, 261031)]