66153776

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{557}}^1\times {\mathrm{571}}^1$

素因数の和:1149

約数の個数: 40

約数和(自身を含む): 138522384

約数和(自身を除く): 72368608

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 557, 571, 1114, 1142, 2228, 2284, 4456, 4568, 7241, 7423, 8912, 9136, 14482, 14846, 28964, 29692, 57928, 59384, 115856, 118768, 318047, 636094, 1272188, 2544376, 4134611, 5088752, 8269222, 16538444, 33076888, 66153776]

約数ペア:

[(1, 66153776), (2, 33076888), (4, 16538444), (8, 8269222), (13, 5088752), (16, 4134611), (26, 2544376), (52, 1272188), (104, 636094), (208, 318047), (557, 118768), (571, 115856), (1114, 59384), (1142, 57928), (2228, 29692), (2284, 28964), (4456, 14846), (4568, 14482), (7241, 9136), (7423, 8912)]