217528098515

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{1109243}}^1$

素因数の和:1109699

約数の個数: 32

約数和(自身を含む): 322017970176

約数和(自身を除く): 104489871661

約数列:

[1, 5, 7, 13, 35, 65, 91, 431, 455, 2155, 3017, 5603, 15085, 28015, 39221, 196105, 1109243, 5546215, 7764701, 14420159, 38823505, 72100795, 100941113, 478083733, 504705565, 2390418665, 3346586131, 6215088529, 16732930655, 31075442645, 43505619703, 217528098515]

約数ペア:

[(1, 217528098515), (5, 43505619703), (7, 31075442645), (13, 16732930655), (35, 6215088529), (65, 3346586131), (91, 2390418665), (431, 504705565), (455, 478083733), (2155, 100941113), (3017, 72100795), (5603, 38823505), (15085, 14420159), (28015, 7764701), (39221, 5546215), (196105, 1109243)]