16809688

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:488

約数の個数: 64

約数和(自身を含む): 38891520

約数和(自身を除く): 22081832

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 31, 46, 56, 62, 92, 124, 161, 184, 217, 248, 322, 421, 434, 644, 713, 842, 868, 1288, 1426, 1684, 1736, 2852, 2947, 3368, 4991, 5704, 5894, 9683, 9982, 11788, 13051, 19366, 19964, 23576, 26102, 38732, 39928, 52204, 67781, 77464, 91357, 104408, 135562, 182714, 271124, 300173, 365428, 542248, 600346, 730856, 1200692, 2101211, 2401384, 4202422, 8404844, 16809688]

約数ペア:

[(1, 16809688), (2, 8404844), (4, 4202422), (7, 2401384), (8, 2101211), (14, 1200692), (23, 730856), (28, 600346), (31, 542248), (46, 365428), (56, 300173), (62, 271124), (92, 182714), (124, 135562), (161, 104408), (184, 91357), (217, 77464), (248, 67781), (322, 52204), (421, 39928), (434, 38732), (644, 26102), (713, 23576), (842, 19964), (868, 19366), (1288, 13051), (1426, 11788), (1684, 9982), (1736, 9683), (2852, 5894), (2947, 5704), (3368, 4991)]