285480715

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 398547648

約数和(自身を除く): 113066933

約数列:

[1, 5, 13, 23, 37, 65, 115, 169, 185, 299, 397, 481, 845, 851, 1495, 1985, 2405, 3887, 4255, 5161, 6253, 9131, 11063, 14689, 19435, 25805, 31265, 45655, 55315, 67093, 73445, 118703, 143819, 190957, 335465, 337847, 593515, 719095, 954785, 1543139, 1689235, 2482441, 4392011, 7715695, 12412205, 21960055, 57096143, 285480715]

約数ペア:

[(1, 285480715), (5, 57096143), (13, 21960055), (23, 12412205), (37, 7715695), (65, 4392011), (115, 2482441), (169, 1689235), (185, 1543139), (299, 954785), (397, 719095), (481, 593515), (845, 337847), (851, 335465), (1495, 190957), (1985, 143819), (2405, 118703), (3887, 73445), (4255, 67093), (5161, 55315), (6253, 45655), (9131, 31265), (11063, 25805), (14689, 19435)]