128232678

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{661}}^1$

素因数の和:853

約数の個数: 64

約数和(自身を含む): 305049600

約数和(自身を除く): 176816922

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 93, 149, 186, 217, 298, 434, 447, 651, 661, 894, 1043, 1302, 1322, 1983, 2086, 3129, 3966, 4619, 4627, 6258, 9238, 9254, 13857, 13881, 20491, 27714, 27762, 32333, 40982, 61473, 64666, 96999, 98489, 122946, 143437, 193998, 196978, 286874, 295467, 430311, 590934, 689423, 860622, 1378846, 2068269, 3053159, 4136538, 6106318, 9159477, 18318954, 21372113, 42744226, 64116339, 128232678]

約数ペア:

[(1, 128232678), (2, 64116339), (3, 42744226), (6, 21372113), (7, 18318954), (14, 9159477), (21, 6106318), (31, 4136538), (42, 3053159), (62, 2068269), (93, 1378846), (149, 860622), (186, 689423), (217, 590934), (298, 430311), (434, 295467), (447, 286874), (651, 196978), (661, 193998), (894, 143437), (1043, 122946), (1302, 98489), (1322, 96999), (1983, 64666), (2086, 61473), (3129, 40982), (3966, 32333), (4619, 27762), (4627, 27714), (6258, 20491), (9238, 13881), (9254, 13857)]