71781164

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:247

約数の個数: 96

約数和(自身を含む): 165957120

約数和(自身を除く): 94175956

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 97, 107, 133, 182, 194, 214, 247, 266, 364, 388, 428, 494, 532, 679, 749, 988, 1261, 1358, 1391, 1498, 1729, 1843, 2033, 2522, 2716, 2782, 2996, 3458, 3686, 4066, 5044, 5564, 6916, 7372, 8132, 8827, 9737, 10379, 12901, 14231, 17654, 19474, 20758, 23959, 25802, 26429, 28462, 35308, 38948, 41516, 47918, 51604, 52858, 56924, 72653, 95836, 105716, 134927, 145306, 167713, 185003, 197201, 269854, 290612, 335426, 370006, 394402, 539708, 670852, 740012, 788804, 944489, 1380407, 1888978, 2563613, 2760814, 3777956, 5127226, 5521628, 10254452, 17945291, 35890582, 71781164]

約数ペア:

[(1, 71781164), (2, 35890582), (4, 17945291), (7, 10254452), (13, 5521628), (14, 5127226), (19, 3777956), (26, 2760814), (28, 2563613), (38, 1888978), (52, 1380407), (76, 944489), (91, 788804), (97, 740012), (107, 670852), (133, 539708), (182, 394402), (194, 370006), (214, 335426), (247, 290612), (266, 269854), (364, 197201), (388, 185003), (428, 167713), (494, 145306), (532, 134927), (679, 105716), (749, 95836), (988, 72653), (1261, 56924), (1358, 52858), (1391, 51604), (1498, 47918), (1729, 41516), (1843, 38948), (2033, 35308), (2522, 28462), (2716, 26429), (2782, 25802), (2996, 23959), (3458, 20758), (3686, 19474), (4066, 17654), (5044, 14231), (5564, 12901), (6916, 10379), (7372, 9737), (8132, 8827)]