661817856

素因数分解:

$2^9\times 3^1\times 7^1\times {\mathrm{61553}}^1$

素因数の和:61581

約数の個数: 80

約数和(自身を含む): 2015031744

約数和(自身を除く): 1353213888

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 256, 336, 384, 448, 512, 672, 768, 896, 1344, 1536, 1792, 2688, 3584, 5376, 10752, 61553, 123106, 184659, 246212, 369318, 430871, 492424, 738636, 861742, 984848, 1292613, 1477272, 1723484, 1969696, 2585226, 2954544, 3446968, 3939392, 5170452, 5909088, 6893936, 7878784, 10340904, 11818176, 13787872, 15757568, 20681808, 23636352, 27575744, 31515136, 41363616, 47272704, 55151488, 82727232, 94545408, 110302976, 165454464, 220605952, 330908928, 661817856]

約数ペア:

[(1, 661817856), (2, 330908928), (3, 220605952), (4, 165454464), (6, 110302976), (7, 94545408), (8, 82727232), (12, 55151488), (14, 47272704), (16, 41363616), (21, 31515136), (24, 27575744), (28, 23636352), (32, 20681808), (42, 15757568), (48, 13787872), (56, 11818176), (64, 10340904), (84, 7878784), (96, 6893936), (112, 5909088), (128, 5170452), (168, 3939392), (192, 3446968), (224, 2954544), (256, 2585226), (336, 1969696), (384, 1723484), (448, 1477272), (512, 1292613), (672, 984848), (768, 861742), (896, 738636), (1344, 492424), (1536, 430871), (1792, 369318), (2688, 246212), (3584, 184659), (5376, 123106), (10752, 61553)]