221158448

素因数分解:

$2^4\times 7^1\times {\mathrm{97}}^1\times {\mathrm{20357}}^1$

素因数の和:20469

約数の個数: 40

約数和(自身を含む): 494780832

約数和(自身を除く): 273622384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 97, 112, 194, 388, 679, 776, 1358, 1552, 2716, 5432, 10864, 20357, 40714, 81428, 142499, 162856, 284998, 325712, 569996, 1139992, 1974629, 2279984, 3949258, 7898516, 13822403, 15797032, 27644806, 31594064, 55289612, 110579224, 221158448]

約数ペア:

[(1, 221158448), (2, 110579224), (4, 55289612), (7, 31594064), (8, 27644806), (14, 15797032), (16, 13822403), (28, 7898516), (56, 3949258), (97, 2279984), (112, 1974629), (194, 1139992), (388, 569996), (679, 325712), (776, 284998), (1358, 162856), (1552, 142499), (2716, 81428), (5432, 40714), (10864, 20357)]