30731288

素因数分解:

$2^3\times 7^1\times {\mathrm{503}}^1\times {\mathrm{1091}}^1$

素因数の和:1607

約数の個数: 32

約数和(自身を含む): 66044160

約数和(自身を除く): 35312872

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 503, 1006, 1091, 2012, 2182, 3521, 4024, 4364, 7042, 7637, 8728, 14084, 15274, 28168, 30548, 61096, 548773, 1097546, 2195092, 3841411, 4390184, 7682822, 15365644, 30731288]

約数ペア:

[(1, 30731288), (2, 15365644), (4, 7682822), (7, 4390184), (8, 3841411), (14, 2195092), (28, 1097546), (56, 548773), (503, 61096), (1006, 30548), (1091, 28168), (2012, 15274), (2182, 14084), (3521, 8728), (4024, 7637), (4364, 7042)]