17278681

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:213

約数の個数: 32

約数和(自身を含む): 22394880

約数和(自身を除く): 5116199

約数列:

[1, 7, 17, 23, 59, 107, 119, 161, 391, 413, 749, 1003, 1357, 1819, 2461, 2737, 6313, 7021, 9499, 12733, 17227, 23069, 41837, 44191, 107321, 145199, 161483, 292859, 751247, 1016393, 2468383, 17278681]

約数ペア:

[(1, 17278681), (7, 2468383), (17, 1016393), (23, 751247), (59, 292859), (107, 161483), (119, 145199), (161, 107321), (391, 44191), (413, 41837), (749, 23069), (1003, 17227), (1357, 12733), (1819, 9499), (2461, 7021), (2737, 6313)]