72663175

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 101993472

約数和(自身を除く): 29330297

約数列:

[1, 5, 13, 25, 47, 65, 67, 71, 235, 325, 335, 355, 611, 871, 923, 1175, 1675, 1775, 3055, 3149, 3337, 4355, 4615, 4757, 15275, 15745, 16685, 21775, 23075, 23785, 40937, 43381, 61841, 78725, 83425, 118925, 204685, 216905, 223579, 309205, 1023425, 1084525, 1117895, 1546025, 2906527, 5589475, 14532635, 72663175]

約数ペア:

[(1, 72663175), (5, 14532635), (13, 5589475), (25, 2906527), (47, 1546025), (65, 1117895), (67, 1084525), (71, 1023425), (235, 309205), (325, 223579), (335, 216905), (355, 204685), (611, 118925), (871, 83425), (923, 78725), (1175, 61841), (1675, 43381), (1775, 40937), (3055, 23785), (3149, 23075), (3337, 21775), (4355, 16685), (4615, 15745), (4757, 15275)]