16963975

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:160

約数の個数: 48

約数和(自身を含む): 25712640

約数和(自身を除く): 8748665

約数列:

[1, 5, 7, 25, 31, 35, 53, 59, 155, 175, 217, 265, 295, 371, 413, 775, 1085, 1325, 1475, 1643, 1829, 1855, 2065, 3127, 5425, 8215, 9145, 9275, 10325, 11501, 12803, 15635, 21889, 41075, 45725, 57505, 64015, 78175, 96937, 109445, 287525, 320075, 484685, 547225, 678559, 2423425, 3392795, 16963975]

約数ペア:

[(1, 16963975), (5, 3392795), (7, 2423425), (25, 678559), (31, 547225), (35, 484685), (53, 320075), (59, 287525), (155, 109445), (175, 96937), (217, 78175), (265, 64015), (295, 57505), (371, 45725), (413, 41075), (775, 21889), (1085, 15635), (1325, 12803), (1475, 11501), (1643, 10325), (1829, 9275), (1855, 9145), (2065, 8215), (3127, 5425)]