990405918719

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{541}}^1\times {\mathrm{13764623}}^1$

素因数の和:13765190

約数の個数: 16

約数和(自身を含む): 1193668193280

約数和(自身を除く): 203262274561

約数列:

[1, 7, 19, 133, 541, 3787, 10279, 71953, 13764623, 96352361, 261527837, 1830694859, 7446661043, 52126627301, 141486559817, 990405918719]

約数ペア:

[(1, 990405918719), (7, 141486559817), (19, 52126627301), (133, 7446661043), (541, 1830694859), (3787, 261527837), (10279, 96352361), (71953, 13764623)]