289587090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{742531}}^1$

素因数の和:742554

約数の個数: 32

約数和(自身を含む): 748472256

約数和(自身を除く): 458885166

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 742531, 1485062, 2227593, 3712655, 4455186, 7425310, 9652903, 11137965, 19305806, 22275930, 28958709, 48264515, 57917418, 96529030, 144793545, 289587090]

約数ペア:

[(1, 289587090), (2, 144793545), (3, 96529030), (5, 57917418), (6, 48264515), (10, 28958709), (13, 22275930), (15, 19305806), (26, 11137965), (30, 9652903), (39, 7425310), (65, 4455186), (78, 3712655), (130, 2227593), (195, 1485062), (390, 742531)]