631680448

素因数分解:

$2^6\times 7^1\times {\mathrm{1021}}^1\times {\mathrm{1381}}^1$

素因数の和:2421

約数の個数: 56

約数和(自身を含む): 1435002464

約数和(自身を除く): 803322016

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 1021, 1381, 2042, 2762, 4084, 5524, 7147, 8168, 9667, 11048, 14294, 16336, 19334, 22096, 28588, 32672, 38668, 44192, 57176, 65344, 77336, 88384, 114352, 154672, 228704, 309344, 457408, 618688, 1410001, 2820002, 5640004, 9870007, 11280008, 19740014, 22560016, 39480028, 45120032, 78960056, 90240064, 157920112, 315840224, 631680448]

約数ペア:

[(1, 631680448), (2, 315840224), (4, 157920112), (7, 90240064), (8, 78960056), (14, 45120032), (16, 39480028), (28, 22560016), (32, 19740014), (56, 11280008), (64, 9870007), (112, 5640004), (224, 2820002), (448, 1410001), (1021, 618688), (1381, 457408), (2042, 309344), (2762, 228704), (4084, 154672), (5524, 114352), (7147, 88384), (8168, 77336), (9667, 65344), (11048, 57176), (14294, 44192), (16336, 38668), (19334, 32672), (22096, 28588)]