28403408

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2273}}^1$

素因数の和:2363

約数の個数: 40

約数和(自身を含む): 60906816

約数和(自身を除く): 32503408

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 71, 88, 142, 176, 284, 568, 781, 1136, 1562, 2273, 3124, 4546, 6248, 9092, 12496, 18184, 25003, 36368, 50006, 100012, 161383, 200024, 322766, 400048, 645532, 1291064, 1775213, 2582128, 3550426, 7100852, 14201704, 28403408]

約数ペア:

[(1, 28403408), (2, 14201704), (4, 7100852), (8, 3550426), (11, 2582128), (16, 1775213), (22, 1291064), (44, 645532), (71, 400048), (88, 322766), (142, 200024), (176, 161383), (284, 100012), (568, 50006), (781, 36368), (1136, 25003), (1562, 18184), (2273, 12496), (3124, 9092), (4546, 6248)]