31978728

素因数分解:

$2^3\times 3^2\times {\mathrm{503}}^1\times {\mathrm{883}}^1$

素因数の和:1398

約数の個数: 48

約数和(自身を含む): 86879520

約数和(自身を除く): 54900792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 503, 883, 1006, 1509, 1766, 2012, 2649, 3018, 3532, 4024, 4527, 5298, 6036, 7064, 7947, 9054, 10596, 12072, 15894, 18108, 21192, 31788, 36216, 63576, 444149, 888298, 1332447, 1776596, 2664894, 3553192, 3997341, 5329788, 7994682, 10659576, 15989364, 31978728]

約数ペア:

[(1, 31978728), (2, 15989364), (3, 10659576), (4, 7994682), (6, 5329788), (8, 3997341), (9, 3553192), (12, 2664894), (18, 1776596), (24, 1332447), (36, 888298), (72, 444149), (503, 63576), (883, 36216), (1006, 31788), (1509, 21192), (1766, 18108), (2012, 15894), (2649, 12072), (3018, 10596), (3532, 9054), (4024, 7947), (4527, 7064), (5298, 6036)]