65438128

素因数分解:

$2^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1$

素因数の和:255

約数の個数: 120

約数和(自身を含む): 162846720

約数和(自身を除く): 97408592

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 23, 28, 38, 46, 49, 56, 76, 92, 98, 112, 133, 152, 161, 184, 191, 196, 266, 304, 322, 368, 382, 392, 437, 532, 644, 764, 784, 874, 931, 1064, 1127, 1288, 1337, 1528, 1748, 1862, 2128, 2254, 2576, 2674, 3056, 3059, 3496, 3629, 3724, 4393, 4508, 5348, 6118, 6992, 7258, 7448, 8786, 9016, 9359, 10696, 12236, 14516, 14896, 17572, 18032, 18718, 21392, 21413, 24472, 25403, 29032, 30751, 35144, 37436, 42826, 48944, 50806, 58064, 61502, 70288, 74872, 83467, 85652, 101612, 123004, 149744, 166934, 171304, 177821, 203224, 215257, 246008, 333868, 342608, 355642, 406448, 430514, 492016, 584269, 667736, 711284, 861028, 1168538, 1335472, 1422568, 1722056, 2337076, 2845136, 3444112, 4089883, 4674152, 8179766, 9348304, 16359532, 32719064, 65438128]

約数ペア:

[(1, 65438128), (2, 32719064), (4, 16359532), (7, 9348304), (8, 8179766), (14, 4674152), (16, 4089883), (19, 3444112), (23, 2845136), (28, 2337076), (38, 1722056), (46, 1422568), (49, 1335472), (56, 1168538), (76, 861028), (92, 711284), (98, 667736), (112, 584269), (133, 492016), (152, 430514), (161, 406448), (184, 355642), (191, 342608), (196, 333868), (266, 246008), (304, 215257), (322, 203224), (368, 177821), (382, 171304), (392, 166934), (437, 149744), (532, 123004), (644, 101612), (764, 85652), (784, 83467), (874, 74872), (931, 70288), (1064, 61502), (1127, 58064), (1288, 50806), (1337, 48944), (1528, 42826), (1748, 37436), (1862, 35144), (2128, 30751), (2254, 29032), (2576, 25403), (2674, 24472), (3056, 21413), (3059, 21392), (3496, 18718), (3629, 18032), (3724, 17572), (4393, 14896), (4508, 14516), (5348, 12236), (6118, 10696), (6992, 9359), (7258, 9016), (7448, 8786)]