78913730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{15443}}^1$

素因数の和:15530

約数の個数: 32

約数和(自身を含む): 164571264

約数和(自身を除く): 85657534

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 73, 146, 365, 511, 730, 1022, 2555, 5110, 15443, 30886, 77215, 108101, 154430, 216202, 540505, 1081010, 1127339, 2254678, 5636695, 7891373, 11273390, 15782746, 39456865, 78913730]

約数ペア:

[(1, 78913730), (2, 39456865), (5, 15782746), (7, 11273390), (10, 7891373), (14, 5636695), (35, 2254678), (70, 1127339), (73, 1081010), (146, 540505), (365, 216202), (511, 154430), (730, 108101), (1022, 77215), (2555, 30886), (5110, 15443)]