81714668

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{571}}^1$

素因数の和:870

約数の個数: 48

約数和(自身を含む): 172972800

約数和(自身を除く): 91258132

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 269, 532, 538, 571, 1076, 1142, 1883, 2284, 3766, 3997, 5111, 7532, 7994, 10222, 10849, 15988, 20444, 21698, 35777, 43396, 71554, 75943, 143108, 151886, 153599, 303772, 307198, 614396, 1075193, 2150386, 2918381, 4300772, 5836762, 11673524, 20428667, 40857334, 81714668]

約数ペア:

[(1, 81714668), (2, 40857334), (4, 20428667), (7, 11673524), (14, 5836762), (19, 4300772), (28, 2918381), (38, 2150386), (76, 1075193), (133, 614396), (266, 307198), (269, 303772), (532, 153599), (538, 151886), (571, 143108), (1076, 75943), (1142, 71554), (1883, 43396), (2284, 35777), (3766, 21698), (3997, 20444), (5111, 15988), (7532, 10849), (7994, 10222)]