30886115

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 42638400

約数和(自身を除く): 11752285

約数列:

[1, 5, 13, 19, 65, 89, 95, 247, 281, 445, 1157, 1235, 1405, 1691, 3653, 5339, 5785, 8455, 18265, 21983, 25009, 26695, 69407, 109915, 125045, 325117, 347035, 475171, 1625585, 2375855, 6177223, 30886115]

約数ペア:

[(1, 30886115), (5, 6177223), (13, 2375855), (19, 1625585), (65, 475171), (89, 347035), (95, 325117), (247, 125045), (281, 109915), (445, 69407), (1157, 26695), (1235, 25009), (1405, 21983), (1691, 18265), (3653, 8455), (5339, 5785)]