12647635

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2$

素因数の和:81

約数の個数: 72

約数和(自身を含む): 21890736

約数和(自身を除く): 9243101

約数列:

[1, 5, 7, 11, 13, 19, 35, 49, 55, 65, 77, 91, 95, 133, 143, 209, 245, 247, 361, 385, 455, 539, 637, 665, 715, 931, 1001, 1045, 1235, 1463, 1729, 1805, 2527, 2695, 2717, 3185, 3971, 4655, 4693, 5005, 7007, 7315, 8645, 10241, 12103, 12635, 13585, 17689, 19019, 19855, 23465, 27797, 32851, 35035, 51205, 51623, 60515, 88445, 95095, 133133, 138985, 164255, 194579, 229957, 258115, 361361, 665665, 972895, 1149785, 1806805, 2529527, 12647635]

約数ペア:

[(1, 12647635), (5, 2529527), (7, 1806805), (11, 1149785), (13, 972895), (19, 665665), (35, 361361), (49, 258115), (55, 229957), (65, 194579), (77, 164255), (91, 138985), (95, 133133), (133, 95095), (143, 88445), (209, 60515), (245, 51623), (247, 51205), (361, 35035), (385, 32851), (455, 27797), (539, 23465), (637, 19855), (665, 19019), (715, 17689), (931, 13585), (1001, 12635), (1045, 12103), (1235, 10241), (1463, 8645), (1729, 7315), (1805, 7007), (2527, 5005), (2695, 4693), (2717, 4655), (3185, 3971)]