138776456

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:251

約数の個数: 128

約数和(自身を含む): 344064000

約数和(自身を除く): 205287544

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 52, 56, 76, 79, 91, 104, 127, 133, 152, 158, 182, 247, 254, 266, 316, 364, 494, 508, 532, 553, 632, 728, 889, 988, 1016, 1027, 1064, 1106, 1501, 1651, 1729, 1778, 1976, 2054, 2212, 2413, 3002, 3302, 3458, 3556, 4108, 4424, 4826, 6004, 6604, 6916, 7112, 7189, 8216, 9652, 10033, 10507, 11557, 12008, 13208, 13832, 14378, 16891, 19304, 19513, 20066, 21014, 23114, 28756, 31369, 33782, 39026, 40132, 42028, 46228, 57512, 62738, 67564, 70231, 78052, 80264, 84056, 92456, 125476, 130429, 135128, 136591, 140462, 156104, 190627, 219583, 250952, 260858, 273182, 280924, 381254, 439166, 521716, 546364, 561848, 762508, 878332, 913003, 1043432, 1092728, 1334389, 1525016, 1756664, 1826006, 2478151, 2668778, 3652012, 4956302, 5337556, 7304024, 9912604, 10675112, 17347057, 19825208, 34694114, 69388228, 138776456]

約数ペア:

[(1, 138776456), (2, 69388228), (4, 34694114), (7, 19825208), (8, 17347057), (13, 10675112), (14, 9912604), (19, 7304024), (26, 5337556), (28, 4956302), (38, 3652012), (52, 2668778), (56, 2478151), (76, 1826006), (79, 1756664), (91, 1525016), (104, 1334389), (127, 1092728), (133, 1043432), (152, 913003), (158, 878332), (182, 762508), (247, 561848), (254, 546364), (266, 521716), (316, 439166), (364, 381254), (494, 280924), (508, 273182), (532, 260858), (553, 250952), (632, 219583), (728, 190627), (889, 156104), (988, 140462), (1016, 136591), (1027, 135128), (1064, 130429), (1106, 125476), (1501, 92456), (1651, 84056), (1729, 80264), (1778, 78052), (1976, 70231), (2054, 67564), (2212, 62738), (2413, 57512), (3002, 46228), (3302, 42028), (3458, 40132), (3556, 39026), (4108, 33782), (4424, 31369), (4826, 28756), (6004, 23114), (6604, 21014), (6916, 20066), (7112, 19513), (7189, 19304), (8216, 16891), (9652, 14378), (10033, 13832), (10507, 13208), (11557, 12008)]