489509735

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{571}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 702942240

約数和(自身を除く): 213432505

約数列:

[1, 5, 11, 13, 55, 65, 109, 121, 143, 545, 571, 605, 715, 1199, 1417, 1573, 2855, 5995, 6281, 7085, 7423, 7865, 13189, 15587, 31405, 37115, 62239, 65945, 69091, 77935, 81653, 171457, 311195, 345455, 408265, 684629, 809107, 857285, 898183, 3423145, 4045535, 4490915, 7530919, 8900177, 37654595, 44500885, 97901947, 489509735]

約数ペア:

[(1, 489509735), (5, 97901947), (11, 44500885), (13, 37654595), (55, 8900177), (65, 7530919), (109, 4490915), (121, 4045535), (143, 3423145), (545, 898183), (571, 857285), (605, 809107), (715, 684629), (1199, 408265), (1417, 345455), (1573, 311195), (2855, 171457), (5995, 81653), (6281, 77935), (7085, 69091), (7423, 65945), (7865, 62239), (13189, 37115), (15587, 31405)]