261260844

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{13187}}^1$

素因数の和:13334

約数の個数: 48

約数和(自身を含む): 661721088

約数和(自身を除く): 400460244

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 127, 156, 254, 381, 508, 762, 1524, 1651, 3302, 4953, 6604, 9906, 13187, 19812, 26374, 39561, 52748, 79122, 158244, 171431, 342862, 514293, 685724, 1028586, 1674749, 2057172, 3349498, 5024247, 6698996, 10048494, 20096988, 21771737, 43543474, 65315211, 87086948, 130630422, 261260844]

約数ペア:

[(1, 261260844), (2, 130630422), (3, 87086948), (4, 65315211), (6, 43543474), (12, 21771737), (13, 20096988), (26, 10048494), (39, 6698996), (52, 5024247), (78, 3349498), (127, 2057172), (156, 1674749), (254, 1028586), (381, 685724), (508, 514293), (762, 342862), (1524, 171431), (1651, 158244), (3302, 79122), (4953, 52748), (6604, 39561), (9906, 26374), (13187, 19812)]