1993408081

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{641}}^1\times {\mathrm{7283}}^1$

素因数の和:7992

約数の個数: 16

約数和(自身を含む): 2319458688

約数和(自身を除く): 326050607

約数列:

[1, 7, 61, 427, 641, 4487, 7283, 39101, 50981, 273707, 444263, 3109841, 4668403, 32678821, 284772583, 1993408081]

約数ペア:

[(1, 1993408081), (7, 284772583), (61, 32678821), (427, 4668403), (641, 3109841), (4487, 444263), (7283, 273707), (39101, 50981)]