1021198648

素因数分解:

$2^3\times {\mathrm{503}}^1\times {\mathrm{253777}}^1$

素因数の和:254286

約数の個数: 16

約数和(自身を含む): 1918561680

約数和(自身を除く): 897363032

約数列:

[1, 2, 4, 8, 503, 1006, 2012, 4024, 253777, 507554, 1015108, 2030216, 127649831, 255299662, 510599324, 1021198648]

約数ペア:

[(1, 1021198648), (2, 510599324), (4, 255299662), (8, 127649831), (503, 2030216), (1006, 1015108), (2012, 507554), (4024, 253777)]