72517718

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1$

素因数の和:421

約数の個数: 64

約数和(自身を含む): 143485440

約数和(自身を除く): 70967722

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 67, 91, 133, 134, 182, 247, 266, 313, 469, 494, 626, 871, 938, 1273, 1729, 1742, 2191, 2546, 3458, 4069, 4382, 5947, 6097, 8138, 8911, 11894, 12194, 16549, 17822, 20971, 28483, 33098, 41629, 41942, 56966, 77311, 83258, 115843, 146797, 154622, 231686, 272623, 293594, 398449, 541177, 545246, 796898, 1082354, 1908361, 2789143, 3816722, 5179837, 5578286, 10359674, 36258859, 72517718]

約数ペア:

[(1, 72517718), (2, 36258859), (7, 10359674), (13, 5578286), (14, 5179837), (19, 3816722), (26, 2789143), (38, 1908361), (67, 1082354), (91, 796898), (133, 545246), (134, 541177), (182, 398449), (247, 293594), (266, 272623), (313, 231686), (469, 154622), (494, 146797), (626, 115843), (871, 83258), (938, 77311), (1273, 56966), (1729, 41942), (1742, 41629), (2191, 33098), (2546, 28483), (3458, 20971), (4069, 17822), (4382, 16549), (5947, 12194), (6097, 11894), (8138, 8911)]