661419712

素因数分解:

$2^6\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{2113}}^1$

素因数の和:2265

約数の個数: 56

約数和(自身を含む): 1350981296

約数和(自身を除く): 689561584

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 73, 134, 146, 268, 292, 536, 584, 1072, 1168, 2113, 2144, 2336, 4226, 4288, 4672, 4891, 8452, 9782, 16904, 19564, 33808, 39128, 67616, 78256, 135232, 141571, 154249, 156512, 283142, 308498, 313024, 566284, 616996, 1132568, 1233992, 2265136, 2467984, 4530272, 4935968, 9060544, 9871936, 10334683, 20669366, 41338732, 82677464, 165354928, 330709856, 661419712]

約数ペア:

[(1, 661419712), (2, 330709856), (4, 165354928), (8, 82677464), (16, 41338732), (32, 20669366), (64, 10334683), (67, 9871936), (73, 9060544), (134, 4935968), (146, 4530272), (268, 2467984), (292, 2265136), (536, 1233992), (584, 1132568), (1072, 616996), (1168, 566284), (2113, 313024), (2144, 308498), (2336, 283142), (4226, 156512), (4288, 154249), (4672, 141571), (4891, 135232), (8452, 78256), (9782, 67616), (16904, 39128), (19564, 33808)]