1489997005

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2240597}}^1$

素因数の和:2240628

約数の個数: 16

約数和(自身を含む): 2150974080

約数和(自身を除く): 660977075

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 2240597, 11202985, 15684179, 42571343, 78420895, 212856715, 297999401, 1489997005]

約数ペア:

[(1, 1489997005), (5, 297999401), (7, 212856715), (19, 78420895), (35, 42571343), (95, 15684179), (133, 11202985), (665, 2240597)]