25710724

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{491}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 52073280

約数和(自身を除く): 26362556

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 53, 76, 106, 212, 247, 491, 494, 689, 982, 988, 1007, 1378, 1964, 2014, 2756, 4028, 6383, 9329, 12766, 13091, 18658, 25532, 26023, 26182, 37316, 52046, 52364, 104092, 121277, 242554, 338299, 485108, 494437, 676598, 988874, 1353196, 1977748, 6427681, 12855362, 25710724]

約数ペア:

[(1, 25710724), (2, 12855362), (4, 6427681), (13, 1977748), (19, 1353196), (26, 988874), (38, 676598), (52, 494437), (53, 485108), (76, 338299), (106, 242554), (212, 121277), (247, 104092), (491, 52364), (494, 52046), (689, 37316), (982, 26182), (988, 26023), (1007, 25532), (1378, 18658), (1964, 13091), (2014, 12766), (2756, 9329), (4028, 6383)]