51421448

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{491}}^1$

素因数の和:582

約数の個数: 64

約数和(自身を含む): 111585600

約数和(自身を除く): 60164152

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 53, 76, 104, 106, 152, 212, 247, 424, 491, 494, 689, 982, 988, 1007, 1378, 1964, 1976, 2014, 2756, 3928, 4028, 5512, 6383, 8056, 9329, 12766, 13091, 18658, 25532, 26023, 26182, 37316, 51064, 52046, 52364, 74632, 104092, 104728, 121277, 208184, 242554, 338299, 485108, 494437, 676598, 970216, 988874, 1353196, 1977748, 2706392, 3955496, 6427681, 12855362, 25710724, 51421448]

約数ペア:

[(1, 51421448), (2, 25710724), (4, 12855362), (8, 6427681), (13, 3955496), (19, 2706392), (26, 1977748), (38, 1353196), (52, 988874), (53, 970216), (76, 676598), (104, 494437), (106, 485108), (152, 338299), (212, 242554), (247, 208184), (424, 121277), (491, 104728), (494, 104092), (689, 74632), (982, 52364), (988, 52046), (1007, 51064), (1378, 37316), (1964, 26182), (1976, 26023), (2014, 25532), (2756, 18658), (3928, 13091), (4028, 12766), (5512, 9329), (6383, 8056)]