228720128

素因数分解:

$2^9\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4909}}^1$

素因数の和:4947

約数の個数: 80

約数和(自身を含む): 562568160

約数和(自身を除く): 333848032

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 256, 364, 416, 448, 512, 728, 832, 896, 1456, 1664, 1792, 2912, 3328, 3584, 4909, 5824, 6656, 9818, 11648, 19636, 23296, 34363, 39272, 46592, 63817, 68726, 78544, 127634, 137452, 157088, 255268, 274904, 314176, 446719, 510536, 549808, 628352, 893438, 1021072, 1099616, 1256704, 1786876, 2042144, 2199232, 2513408, 3573752, 4084288, 4398464, 7147504, 8168576, 8796928, 14295008, 16337152, 17593856, 28590016, 32674304, 57180032, 114360064, 228720128]

約数ペア:

[(1, 228720128), (2, 114360064), (4, 57180032), (7, 32674304), (8, 28590016), (13, 17593856), (14, 16337152), (16, 14295008), (26, 8796928), (28, 8168576), (32, 7147504), (52, 4398464), (56, 4084288), (64, 3573752), (91, 2513408), (104, 2199232), (112, 2042144), (128, 1786876), (182, 1256704), (208, 1099616), (224, 1021072), (256, 893438), (364, 628352), (416, 549808), (448, 510536), (512, 446719), (728, 314176), (832, 274904), (896, 255268), (1456, 157088), (1664, 137452), (1792, 127634), (2912, 78544), (3328, 68726), (3584, 63817), (4909, 46592), (5824, 39272), (6656, 34363), (9818, 23296), (11648, 19636)]