1293338485

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{21059}}^1$

素因数の和:21308

約数の個数: 16

約数和(自身を含む): 1583038080

約数和(自身を除く): 289699595

約数列:

[1, 5, 71, 173, 355, 865, 12283, 21059, 61415, 105295, 1495189, 3643207, 7475945, 18216035, 258667697, 1293338485]

約数ペア:

[(1, 1293338485), (5, 258667697), (71, 18216035), (173, 7475945), (355, 3643207), (865, 1495189), (12283, 105295), (21059, 61415)]