428736256

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2741}}^1$

素因数の和:2817

約数の個数: 72

約数和(自身を含む): 941580864

約数和(自身を除く): 512844608

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 47, 52, 64, 94, 104, 128, 188, 208, 256, 376, 416, 611, 752, 832, 1222, 1504, 1664, 2444, 2741, 3008, 3328, 4888, 5482, 6016, 9776, 10964, 12032, 19552, 21928, 35633, 39104, 43856, 71266, 78208, 87712, 128827, 142532, 156416, 175424, 257654, 285064, 350848, 515308, 570128, 701696, 1030616, 1140256, 1674751, 2061232, 2280512, 3349502, 4122464, 4561024, 6699004, 8244928, 9122048, 13398008, 16489856, 26796016, 32979712, 53592032, 107184064, 214368128, 428736256]

約数ペア:

[(1, 428736256), (2, 214368128), (4, 107184064), (8, 53592032), (13, 32979712), (16, 26796016), (26, 16489856), (32, 13398008), (47, 9122048), (52, 8244928), (64, 6699004), (94, 4561024), (104, 4122464), (128, 3349502), (188, 2280512), (208, 2061232), (256, 1674751), (376, 1140256), (416, 1030616), (611, 701696), (752, 570128), (832, 515308), (1222, 350848), (1504, 285064), (1664, 257654), (2444, 175424), (2741, 156416), (3008, 142532), (3328, 128827), (4888, 87712), (5482, 78208), (6016, 71266), (9776, 43856), (10964, 39104), (12032, 35633), (19552, 21928)]