256790912

素因数分解:

$2^7\times 7^1\times {\mathrm{463}}^1\times {\mathrm{619}}^1$

素因数の和:1103

約数の個数: 64

約数和(自身を含む): 586867200

約数和(自身を除く): 330076288

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 463, 619, 896, 926, 1238, 1852, 2476, 3241, 3704, 4333, 4952, 6482, 7408, 8666, 9904, 12964, 14816, 17332, 19808, 25928, 29632, 34664, 39616, 51856, 59264, 69328, 79232, 103712, 138656, 207424, 277312, 286597, 414848, 554624, 573194, 1146388, 2006179, 2292776, 4012358, 4585552, 8024716, 9171104, 16049432, 18342208, 32098864, 36684416, 64197728, 128395456, 256790912]

約数ペア:

[(1, 256790912), (2, 128395456), (4, 64197728), (7, 36684416), (8, 32098864), (14, 18342208), (16, 16049432), (28, 9171104), (32, 8024716), (56, 4585552), (64, 4012358), (112, 2292776), (128, 2006179), (224, 1146388), (448, 573194), (463, 554624), (619, 414848), (896, 286597), (926, 277312), (1238, 207424), (1852, 138656), (2476, 103712), (3241, 79232), (3704, 69328), (4333, 59264), (4952, 51856), (6482, 39616), (7408, 34664), (8666, 29632), (9904, 25928), (12964, 19808), (14816, 17332)]