644573956

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:269

約数の個数: 96

約数和(自身を含む): 1303948800

約数和(自身を除く): 659374844

約数列:

[1, 2, 4, 13, 26, 41, 43, 52, 79, 82, 86, 89, 158, 164, 172, 178, 316, 356, 533, 559, 1027, 1066, 1118, 1157, 1763, 2054, 2132, 2236, 2314, 3239, 3397, 3526, 3649, 3827, 4108, 4628, 6478, 6794, 7031, 7052, 7298, 7654, 12956, 13588, 14062, 14596, 15308, 22919, 28124, 42107, 44161, 45838, 47437, 49751, 84214, 88322, 91403, 91676, 94874, 99502, 139277, 156907, 168428, 176644, 182806, 189748, 199004, 278554, 288271, 302333, 313814, 365612, 557108, 576542, 604666, 627628, 1153084, 1209332, 1810601, 2039791, 3621202, 3747523, 3930329, 4079582, 7242404, 7495046, 7860658, 8159164, 12395653, 14990092, 15721316, 24791306, 49582612, 161143489, 322286978, 644573956]

約数ペア:

[(1, 644573956), (2, 322286978), (4, 161143489), (13, 49582612), (26, 24791306), (41, 15721316), (43, 14990092), (52, 12395653), (79, 8159164), (82, 7860658), (86, 7495046), (89, 7242404), (158, 4079582), (164, 3930329), (172, 3747523), (178, 3621202), (316, 2039791), (356, 1810601), (533, 1209332), (559, 1153084), (1027, 627628), (1066, 604666), (1118, 576542), (1157, 557108), (1763, 365612), (2054, 313814), (2132, 302333), (2236, 288271), (2314, 278554), (3239, 199004), (3397, 189748), (3526, 182806), (3649, 176644), (3827, 168428), (4108, 156907), (4628, 139277), (6478, 99502), (6794, 94874), (7031, 91676), (7052, 91403), (7298, 88322), (7654, 84214), (12956, 49751), (13588, 47437), (14062, 45838), (14596, 44161), (15308, 42107), (22919, 28124)]