71521975

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{829}}^1$

素因数の和:892

約数の個数: 48

約数和(自身を含む): 111153600

約数和(自身を除く): 39631625

約数列:

[1, 5, 7, 17, 25, 29, 35, 85, 119, 145, 175, 203, 425, 493, 595, 725, 829, 1015, 2465, 2975, 3451, 4145, 5075, 5803, 12325, 14093, 17255, 20725, 24041, 29015, 70465, 86275, 98651, 120205, 145075, 168287, 352325, 408697, 493255, 601025, 841435, 2043485, 2466275, 2860879, 4207175, 10217425, 14304395, 71521975]

約数ペア:

[(1, 71521975), (5, 14304395), (7, 10217425), (17, 4207175), (25, 2860879), (29, 2466275), (35, 2043485), (85, 841435), (119, 601025), (145, 493255), (175, 408697), (203, 352325), (425, 168287), (493, 145075), (595, 120205), (725, 98651), (829, 86275), (1015, 70465), (2465, 29015), (2975, 24041), (3451, 20725), (4145, 17255), (5075, 14093), (5803, 12325)]