16871225

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 26034048

約数和(自身を除く): 9162823

約数列:

[1, 5, 7, 17, 25, 35, 53, 85, 107, 119, 175, 265, 371, 425, 535, 595, 749, 901, 1325, 1819, 1855, 2675, 2975, 3745, 4505, 5671, 6307, 9095, 9275, 12733, 18725, 22525, 28355, 31535, 39697, 45475, 63665, 96407, 141775, 157675, 198485, 318325, 482035, 674849, 992425, 2410175, 3374245, 16871225]

約数ペア:

[(1, 16871225), (5, 3374245), (7, 2410175), (17, 992425), (25, 674849), (35, 482035), (53, 318325), (85, 198485), (107, 157675), (119, 141775), (175, 96407), (265, 63665), (371, 45475), (425, 39697), (535, 31535), (595, 28355), (749, 22525), (901, 18725), (1325, 12733), (1819, 9275), (1855, 9095), (2675, 6307), (2975, 5671), (3745, 4505)]