249531425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{313}}^1$

素因数の和:570

約数の個数: 48

約数和(自身を含む): 366309888

約数和(自身を除く): 116778463

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 223, 275, 313, 325, 715, 1115, 1565, 2453, 2899, 3443, 3575, 4069, 5575, 7825, 12265, 14495, 17215, 20345, 31889, 44759, 61325, 69799, 72475, 86075, 101725, 159445, 223795, 348995, 767789, 797225, 907387, 1118975, 1744975, 3838945, 4536935, 9981257, 19194725, 22684675, 49906285, 249531425]

約数ペア:

[(1, 249531425), (5, 49906285), (11, 22684675), (13, 19194725), (25, 9981257), (55, 4536935), (65, 3838945), (143, 1744975), (223, 1118975), (275, 907387), (313, 797225), (325, 767789), (715, 348995), (1115, 223795), (1565, 159445), (2453, 101725), (2899, 86075), (3443, 72475), (3575, 69799), (4069, 61325), (5575, 44759), (7825, 31889), (12265, 20345), (14495, 17215)]