78722644

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19661}}^1$

素因数の和:19696

約数の個数: 48

約数和(自身を含む): 184980096

約数和(自身を除く): 106257452

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 19661, 39322, 78644, 137627, 216271, 255593, 275254, 432542, 511186, 550508, 865084, 1022372, 1513897, 1789151, 2811523, 3027794, 3578302, 5623046, 6055588, 7156604, 11246092, 19680661, 39361322, 78722644]

約数ペア:

[(1, 78722644), (2, 39361322), (4, 19680661), (7, 11246092), (11, 7156604), (13, 6055588), (14, 5623046), (22, 3578302), (26, 3027794), (28, 2811523), (44, 1789151), (52, 1513897), (77, 1022372), (91, 865084), (143, 550508), (154, 511186), (182, 432542), (286, 275254), (308, 255593), (364, 216271), (572, 137627), (1001, 78644), (2002, 39322), (4004, 19661)]