129551975

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{829}}^1$

素因数の和:912

約数の個数: 48

約数和(自身を含む): 197606400

約数和(自身を除く): 68054425

約数列:

[1, 5, 7, 19, 25, 35, 47, 95, 133, 175, 235, 329, 475, 665, 829, 893, 1175, 1645, 3325, 4145, 4465, 5803, 6251, 8225, 15751, 20725, 22325, 29015, 31255, 38963, 78755, 110257, 145075, 156275, 194815, 272741, 393775, 551285, 740297, 974075, 1363705, 2756425, 3701485, 5182079, 6818525, 18507425, 25910395, 129551975]

約数ペア:

[(1, 129551975), (5, 25910395), (7, 18507425), (19, 6818525), (25, 5182079), (35, 3701485), (47, 2756425), (95, 1363705), (133, 974075), (175, 740297), (235, 551285), (329, 393775), (475, 272741), (665, 194815), (829, 156275), (893, 145075), (1175, 110257), (1645, 78755), (3325, 38963), (4145, 31255), (4465, 29015), (5803, 22325), (6251, 20725), (8225, 15751)]