28779790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{2069}}^1$

素因数の和:2196

約数の個数: 32

約数和(自身を含む): 56337120

約数和(自身を除く): 27557330

約数列:

[1, 2, 5, 10, 13, 26, 65, 107, 130, 214, 535, 1070, 1391, 2069, 2782, 4138, 6955, 10345, 13910, 20690, 26897, 53794, 134485, 221383, 268970, 442766, 1106915, 2213830, 2877979, 5755958, 14389895, 28779790]

約数ペア:

[(1, 28779790), (2, 14389895), (5, 5755958), (10, 2877979), (13, 2213830), (26, 1106915), (65, 442766), (107, 268970), (130, 221383), (214, 134485), (535, 53794), (1070, 26897), (1391, 20690), (2069, 13910), (2782, 10345), (4138, 6955)]