661903872

素因数分解:

$2^9\times 3^1\times 7^1\times {\mathrm{61561}}^1$

素因数の和:61589

約数の個数: 80

約数和(自身を含む): 2015293632

約数和(自身を除く): 1353389760

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, 61561, 123122, 184683, 246244, 369366, 430927, 492488, 738732, 861854, 984976, 1292781, 1477464, 1723708, 1969952, 2585562, 2954928, 3447416, 3939904, 5171124, 5909856, 6894832, 7879808, 10342248, 11819712, 13789664, 15759616, 20684496, 23639424, 27579328, 31519232, 41368992, 47278848, 55158656, 82737984, 94557696, 110317312, 165475968, 220634624, 330951936, 661903872]

約数ペア:

[(1, 661903872), (2, 330951936), (3, 220634624), (4, 165475968), (6, 110317312), (7, 94557696), (8, 82737984), (12, 55158656), (14, 47278848), (16, 41368992), (21, 31519232), (24, 27579328), (28, 23639424), (32, 20684496), (42, 15759616), (48, 13789664), (56, 11819712), (64, 10342248), (84, 7879808), (96, 6894832), (112, 5909856), (128, 5171124), (168, 3939904), (192, 3447416), (224, 2954928), (256, 2585562), (336, 1969952), (384, 1723708), (448, 1477464), (512, 1292781), (672, 984976), (768, 861854), (896, 738732), (1344, 492488), (1536, 430927), (1792, 369366), (2688, 246244), (3584, 184683), (5376, 123122), (10752, 61561)]