128767925

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{199}}^1$

素因数の和:414

約数の個数: 48

約数和(自身を含む): 189571200

約数和(自身を除く): 60803275

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 181, 199, 275, 325, 715, 905, 995, 1991, 2189, 2353, 2587, 3575, 4525, 4975, 9955, 10945, 11765, 12935, 25883, 28457, 36019, 49775, 54725, 58825, 64675, 129415, 142285, 180095, 396209, 468247, 647075, 711425, 900475, 1981045, 2341235, 5150717, 9905225, 11706175, 25753585, 128767925]

約数ペア:

[(1, 128767925), (5, 25753585), (11, 11706175), (13, 9905225), (25, 5150717), (55, 2341235), (65, 1981045), (143, 900475), (181, 711425), (199, 647075), (275, 468247), (325, 396209), (715, 180095), (905, 142285), (995, 129415), (1991, 64675), (2189, 58825), (2353, 54725), (2587, 49775), (3575, 36019), (4525, 28457), (4975, 25883), (9955, 12935), (10945, 11765)]