128869286

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{449}}^1$

素因数の和:573

約数の個数: 64

約数和(自身を含む): 254016000

約数和(自身を除く): 125146714

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 83, 91, 133, 166, 182, 247, 266, 449, 494, 581, 898, 1079, 1162, 1577, 1729, 2158, 3143, 3154, 3458, 5837, 6286, 7553, 8531, 11039, 11674, 15106, 17062, 20501, 22078, 37267, 40859, 41002, 59717, 74534, 81718, 110903, 119434, 143507, 221806, 260869, 287014, 484471, 521738, 708073, 776321, 968942, 1416146, 1552642, 3391297, 4956511, 6782594, 9204949, 9913022, 18409898, 64434643, 128869286]

約数ペア:

[(1, 128869286), (2, 64434643), (7, 18409898), (13, 9913022), (14, 9204949), (19, 6782594), (26, 4956511), (38, 3391297), (83, 1552642), (91, 1416146), (133, 968942), (166, 776321), (182, 708073), (247, 521738), (266, 484471), (449, 287014), (494, 260869), (581, 221806), (898, 143507), (1079, 119434), (1162, 110903), (1577, 81718), (1729, 74534), (2158, 59717), (3143, 41002), (3154, 40859), (3458, 37267), (5837, 22078), (6286, 20501), (7553, 17062), (8531, 15106), (11039, 11674)]