11899745

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1$

素因数の和:146

約数の個数: 48

約数和(自身を含む): 18098640

約数和(自身を除く): 6198895

約数列:

[1, 5, 11, 13, 17, 55, 65, 85, 89, 121, 143, 187, 221, 445, 605, 715, 935, 979, 1105, 1157, 1513, 1573, 2057, 2431, 4895, 5785, 7565, 7865, 10285, 10769, 12155, 12727, 16643, 19669, 26741, 53845, 63635, 83215, 98345, 133705, 139997, 183073, 216359, 699985, 915365, 1081795, 2379949, 11899745]

約数ペア:

[(1, 11899745), (5, 2379949), (11, 1081795), (13, 915365), (17, 699985), (55, 216359), (65, 183073), (85, 139997), (89, 133705), (121, 98345), (143, 83215), (187, 63635), (221, 53845), (445, 26741), (605, 19669), (715, 16643), (935, 12727), (979, 12155), (1105, 10769), (1157, 10285), (1513, 7865), (1573, 7565), (2057, 5785), (2431, 4895)]