220694656

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{18947}}^1$

素因数の和:18981

約数の個数: 64

約数和(自身を含む): 541154880

約数和(自身を除く): 320460224

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 364, 416, 448, 728, 832, 896, 1456, 1664, 2912, 5824, 11648, 18947, 37894, 75788, 132629, 151576, 246311, 265258, 303152, 492622, 530516, 606304, 985244, 1061032, 1212608, 1724177, 1970488, 2122064, 2425216, 3448354, 3940976, 4244128, 6896708, 7881952, 8488256, 13793416, 15763904, 16976512, 27586832, 31527808, 55173664, 110347328, 220694656]

約数ペア:

[(1, 220694656), (2, 110347328), (4, 55173664), (7, 31527808), (8, 27586832), (13, 16976512), (14, 15763904), (16, 13793416), (26, 8488256), (28, 7881952), (32, 6896708), (52, 4244128), (56, 3940976), (64, 3448354), (91, 2425216), (104, 2122064), (112, 1970488), (128, 1724177), (182, 1212608), (208, 1061032), (224, 985244), (364, 606304), (416, 530516), (448, 492622), (728, 303152), (832, 265258), (896, 246311), (1456, 151576), (1664, 132629), (2912, 75788), (5824, 37894), (11648, 18947)]