1277094728

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{727}}^1$

素因数の和:899

約数の個数: 128

約数和(自身を含む): 3130982400

約数和(自身を除く): 1853887672

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 52, 56, 76, 91, 104, 127, 133, 152, 182, 247, 254, 266, 364, 494, 508, 532, 727, 728, 889, 988, 1016, 1064, 1454, 1651, 1729, 1778, 1976, 2413, 2908, 3302, 3458, 3556, 4826, 5089, 5816, 6604, 6916, 7112, 9451, 9652, 10178, 11557, 13208, 13813, 13832, 16891, 18902, 19304, 20356, 23114, 27626, 31369, 33782, 37804, 40712, 46228, 55252, 62738, 66157, 67564, 75608, 92329, 92456, 96691, 110504, 125476, 132314, 135128, 179569, 184658, 193382, 219583, 250952, 264628, 359138, 369316, 386764, 439166, 529256, 646303, 718276, 738632, 773528, 878332, 1200277, 1256983, 1292606, 1436552, 1754251, 1756664, 2400554, 2513966, 2585212, 3508502, 4801108, 5027932, 5170424, 7017004, 8401939, 9602216, 10055864, 12279757, 14034008, 16803878, 22805263, 24559514, 33607756, 45610526, 49119028, 67215512, 91221052, 98238056, 159636841, 182442104, 319273682, 638547364, 1277094728]

約数ペア:

[(1, 1277094728), (2, 638547364), (4, 319273682), (7, 182442104), (8, 159636841), (13, 98238056), (14, 91221052), (19, 67215512), (26, 49119028), (28, 45610526), (38, 33607756), (52, 24559514), (56, 22805263), (76, 16803878), (91, 14034008), (104, 12279757), (127, 10055864), (133, 9602216), (152, 8401939), (182, 7017004), (247, 5170424), (254, 5027932), (266, 4801108), (364, 3508502), (494, 2585212), (508, 2513966), (532, 2400554), (727, 1756664), (728, 1754251), (889, 1436552), (988, 1292606), (1016, 1256983), (1064, 1200277), (1454, 878332), (1651, 773528), (1729, 738632), (1778, 718276), (1976, 646303), (2413, 529256), (2908, 439166), (3302, 386764), (3458, 369316), (3556, 359138), (4826, 264628), (5089, 250952), (5816, 219583), (6604, 193382), (6916, 184658), (7112, 179569), (9451, 135128), (9652, 132314), (10178, 125476), (11557, 110504), (13208, 96691), (13813, 92456), (13832, 92329), (16891, 75608), (18902, 67564), (19304, 66157), (20356, 62738), (23114, 55252), (27626, 46228), (31369, 40712), (33782, 37804)]