15864145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1$

素因数の和:118

約数の個数: 48

約数和(自身を含む): 23701248

約数和(自身を除く): 7837103

約数列:

[1, 5, 11, 17, 19, 47, 55, 85, 95, 187, 209, 235, 323, 361, 517, 799, 893, 935, 1045, 1615, 1805, 2585, 3553, 3971, 3995, 4465, 6137, 8789, 9823, 15181, 16967, 17765, 19855, 30685, 43945, 49115, 67507, 75905, 84835, 166991, 186637, 288439, 337535, 834955, 933185, 1442195, 3172829, 15864145]

約数ペア:

[(1, 15864145), (5, 3172829), (11, 1442195), (17, 933185), (19, 834955), (47, 337535), (55, 288439), (85, 186637), (95, 166991), (187, 84835), (209, 75905), (235, 67507), (323, 49115), (361, 43945), (517, 30685), (799, 19855), (893, 17765), (935, 16967), (1045, 15181), (1615, 9823), (1805, 8789), (2585, 6137), (3553, 4465), (3971, 3995)]