66671228

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67481}}^1$

素因数の和:67517

約数の個数: 24

約数和(自身を含む): 132264720

約数和(自身を除く): 65593492

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 67481, 134962, 269924, 877253, 1282139, 1754506, 2564278, 3509012, 5128556, 16667807, 33335614, 66671228]

約数ペア:

[(1, 66671228), (2, 33335614), (4, 16667807), (13, 5128556), (19, 3509012), (26, 2564278), (38, 1754506), (52, 1282139), (76, 877253), (247, 269924), (494, 134962), (988, 67481)]