216998464

素因数分解:

$2^6\times {\mathrm{79}}^1\times {\mathrm{167}}^1\times {\mathrm{257}}^1$

素因数の和:515

約数の個数: 56

約数和(自身を含む): 440375040

約数和(自身を除く): 223376576

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 158, 167, 257, 316, 334, 514, 632, 668, 1028, 1264, 1336, 2056, 2528, 2672, 4112, 5056, 5344, 8224, 10688, 13193, 16448, 20303, 26386, 40606, 42919, 52772, 81212, 85838, 105544, 162424, 171676, 211088, 324848, 343352, 422176, 649696, 686704, 844352, 1299392, 1373408, 2746816, 3390601, 6781202, 13562404, 27124808, 54249616, 108499232, 216998464]

約数ペア:

[(1, 216998464), (2, 108499232), (4, 54249616), (8, 27124808), (16, 13562404), (32, 6781202), (64, 3390601), (79, 2746816), (158, 1373408), (167, 1299392), (257, 844352), (316, 686704), (334, 649696), (514, 422176), (632, 343352), (668, 324848), (1028, 211088), (1264, 171676), (1336, 162424), (2056, 105544), (2528, 85838), (2672, 81212), (4112, 52772), (5056, 42919), (5344, 40606), (8224, 26386), (10688, 20303), (13193, 16448)]