28131584

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:215

約数の個数: 72

約数和(自身を含む): 61810560

約数和(自身を除く): 33678976

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 79, 104, 107, 128, 158, 208, 214, 256, 316, 416, 428, 632, 832, 856, 1027, 1264, 1391, 1664, 1712, 2054, 2528, 2782, 3328, 3424, 4108, 5056, 5564, 6848, 8216, 8453, 10112, 11128, 13696, 16432, 16906, 20224, 22256, 27392, 32864, 33812, 44512, 65728, 67624, 89024, 109889, 131456, 135248, 178048, 219778, 262912, 270496, 356096, 439556, 540992, 879112, 1081984, 1758224, 2163968, 3516448, 7032896, 14065792, 28131584]

約数ペア:

[(1, 28131584), (2, 14065792), (4, 7032896), (8, 3516448), (13, 2163968), (16, 1758224), (26, 1081984), (32, 879112), (52, 540992), (64, 439556), (79, 356096), (104, 270496), (107, 262912), (128, 219778), (158, 178048), (208, 135248), (214, 131456), (256, 109889), (316, 89024), (416, 67624), (428, 65728), (632, 44512), (832, 33812), (856, 32864), (1027, 27392), (1264, 22256), (1391, 20224), (1664, 16906), (1712, 16432), (2054, 13696), (2528, 11128), (2782, 10112), (3328, 8453), (3424, 8216), (4108, 6848), (5056, 5564)]