7881496324

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{20507}}^1$

素因数の和:20932

約数の個数: 48

約数和(自身を含む): 15676315200

約数和(自身を除く): 7794818876

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 389, 494, 778, 988, 1556, 5057, 7391, 10114, 14782, 20228, 20507, 29564, 41014, 82028, 96083, 192166, 266591, 384332, 389633, 533182, 779266, 1066364, 1558532, 5065229, 7977223, 10130458, 15954446, 20260916, 31908892, 103703899, 151567237, 207407798, 303134474, 414815596, 606268948, 1970374081, 3940748162, 7881496324]

約数ペア:

[(1, 7881496324), (2, 3940748162), (4, 1970374081), (13, 606268948), (19, 414815596), (26, 303134474), (38, 207407798), (52, 151567237), (76, 103703899), (247, 31908892), (389, 20260916), (494, 15954446), (778, 10130458), (988, 7977223), (1556, 5065229), (5057, 1558532), (7391, 1066364), (10114, 779266), (14782, 533182), (20228, 389633), (20507, 384332), (29564, 266591), (41014, 192166), (82028, 96083)]