81551512

素因数分解:

$2^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{19949}}^1$

素因数の和:20035

約数の個数: 32

約数和(自身を含む): 177156000

約数和(自身を除く): 95604488

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 73, 146, 292, 511, 584, 1022, 2044, 4088, 19949, 39898, 79796, 139643, 159592, 279286, 558572, 1117144, 1456277, 2912554, 5825108, 10193939, 11650216, 20387878, 40775756, 81551512]

約数ペア:

[(1, 81551512), (2, 40775756), (4, 20387878), (7, 11650216), (8, 10193939), (14, 5825108), (28, 2912554), (56, 1456277), (73, 1117144), (146, 558572), (292, 279286), (511, 159592), (584, 139643), (1022, 79796), (2044, 39898), (4088, 19949)]