261013090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{42719}}^1$

素因数の和:42786

約数の個数: 32

約数和(自身を含む): 516741120

約数和(自身を除く): 255728030

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 94, 130, 235, 470, 611, 1222, 3055, 6110, 42719, 85438, 213595, 427190, 555347, 1110694, 2007793, 2776735, 4015586, 5553470, 10038965, 20077930, 26101309, 52202618, 130506545, 261013090]

約数ペア:

[(1, 261013090), (2, 130506545), (5, 52202618), (10, 26101309), (13, 20077930), (26, 10038965), (47, 5553470), (65, 4015586), (94, 2776735), (130, 2007793), (235, 1110694), (470, 555347), (611, 427190), (1222, 213595), (3055, 85438), (6110, 42719)]