128210875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{307}}^1$

素因数の和:592

約数の個数: 32

約数和(自身を含む): 173549376

約数和(自身を除く): 45338501

約数列:

[1, 5, 13, 25, 65, 125, 257, 307, 325, 1285, 1535, 1625, 3341, 3991, 6425, 7675, 16705, 19955, 32125, 38375, 78899, 83525, 99775, 394495, 417625, 498875, 1025687, 1972475, 5128435, 9862375, 25642175, 128210875]

約数ペア:

[(1, 128210875), (5, 25642175), (13, 9862375), (25, 5128435), (65, 1972475), (125, 1025687), (257, 498875), (307, 417625), (325, 394495), (1285, 99775), (1535, 83525), (1625, 78899), (3341, 38375), (3991, 32125), (6425, 19955), (7675, 16705)]