722722

素因数分解:

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

素因数の和:71

約数の個数: 48

約数和(自身を含む): 1536192

約数和(自身を除く): 813470

約数列:

[1, 2, 7, 11, 13, 14, 19, 22, 26, 38, 77, 91, 133, 143, 154, 182, 209, 247, 266, 286, 361, 418, 494, 722, 1001, 1463, 1729, 2002, 2527, 2717, 2926, 3458, 3971, 4693, 5054, 5434, 7942, 9386, 19019, 27797, 32851, 38038, 51623, 55594, 65702, 103246, 361361, 722722]

約数ペア:

[(1, 722722), (2, 361361), (7, 103246), (11, 65702), (13, 55594), (14, 51623), (19, 38038), (22, 32851), (26, 27797), (38, 19019), (77, 9386), (91, 7942), (133, 5434), (143, 5054), (154, 4693), (182, 3971), (209, 3458), (247, 2926), (266, 2717), (286, 2527), (361, 2002), (418, 1729), (494, 1463), (722, 1001)]