129278128

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{769}}^1$

素因数の和:882

約数の個数: 80

約数和(自身を含む): 305536000

約数和(自身を除く): 176257872

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 79, 112, 133, 152, 158, 266, 304, 316, 532, 553, 632, 769, 1064, 1106, 1264, 1501, 1538, 2128, 2212, 3002, 3076, 4424, 5383, 6004, 6152, 8848, 10507, 10766, 12008, 12304, 14611, 21014, 21532, 24016, 29222, 42028, 43064, 58444, 60751, 84056, 86128, 102277, 116888, 121502, 168112, 204554, 233776, 243004, 409108, 425257, 486008, 818216, 850514, 972016, 1154269, 1636432, 1701028, 2308538, 3402056, 4617076, 6804112, 8079883, 9234152, 16159766, 18468304, 32319532, 64639064, 129278128]

約数ペア:

[(1, 129278128), (2, 64639064), (4, 32319532), (7, 18468304), (8, 16159766), (14, 9234152), (16, 8079883), (19, 6804112), (28, 4617076), (38, 3402056), (56, 2308538), (76, 1701028), (79, 1636432), (112, 1154269), (133, 972016), (152, 850514), (158, 818216), (266, 486008), (304, 425257), (316, 409108), (532, 243004), (553, 233776), (632, 204554), (769, 168112), (1064, 121502), (1106, 116888), (1264, 102277), (1501, 86128), (1538, 84056), (2128, 60751), (2212, 58444), (3002, 43064), (3076, 42028), (4424, 29222), (5383, 24016), (6004, 21532), (6152, 21014), (8848, 14611), (10507, 12304), (10766, 12008)]