128809912

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{3121}}^1$

素因数の和:3212

約数の個数: 64

約数和(自身を含む): 305706240

約数和(自身を除く): 176896328

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 67, 77, 88, 134, 154, 268, 308, 469, 536, 616, 737, 938, 1474, 1876, 2948, 3121, 3752, 5159, 5896, 6242, 10318, 12484, 20636, 21847, 24968, 34331, 41272, 43694, 68662, 87388, 137324, 174776, 209107, 240317, 274648, 418214, 480634, 836428, 961268, 1463749, 1672856, 1922536, 2300177, 2927498, 4600354, 5854996, 9200708, 11709992, 16101239, 18401416, 32202478, 64404956, 128809912]

約数ペア:

[(1, 128809912), (2, 64404956), (4, 32202478), (7, 18401416), (8, 16101239), (11, 11709992), (14, 9200708), (22, 5854996), (28, 4600354), (44, 2927498), (56, 2300177), (67, 1922536), (77, 1672856), (88, 1463749), (134, 961268), (154, 836428), (268, 480634), (308, 418214), (469, 274648), (536, 240317), (616, 209107), (737, 174776), (938, 137324), (1474, 87388), (1876, 68662), (2948, 43694), (3121, 41272), (3752, 34331), (5159, 24968), (5896, 21847), (6242, 20636), (10318, 12484)]