3978425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:98

約数の個数: 48

約数和(自身を含む): 6106752

約数和(自身を除く): 2128327

約数列:

[1, 5, 11, 17, 23, 25, 37, 55, 85, 115, 185, 187, 253, 275, 391, 407, 425, 575, 629, 851, 925, 935, 1265, 1955, 2035, 3145, 4255, 4301, 4675, 6325, 6919, 9361, 9775, 10175, 14467, 15725, 21275, 21505, 34595, 46805, 72335, 107525, 159137, 172975, 234025, 361675, 795685, 3978425]

約数ペア:

[(1, 3978425), (5, 795685), (11, 361675), (17, 234025), (23, 172975), (25, 159137), (37, 107525), (55, 72335), (85, 46805), (115, 34595), (185, 21505), (187, 21275), (253, 15725), (275, 14467), (391, 10175), (407, 9775), (425, 9361), (575, 6919), (629, 6325), (851, 4675), (925, 4301), (935, 4255), (1265, 3145), (1955, 2035)]