15856511892

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{256031}}^1$

素因数の和:256448

約数の個数: 48

約数和(自身を含む): 39945088512

約数和(自身を除く): 24088576620

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 397, 794, 1191, 1588, 2382, 4764, 5161, 10322, 15483, 20644, 30966, 61932, 256031, 512062, 768093, 1024124, 1536186, 3072372, 3328403, 6656806, 9985209, 13313612, 19970418, 39940836, 101644307, 203288614, 304932921, 406577228, 609865842, 1219731684, 1321375991, 2642751982, 3964127973, 5285503964, 7928255946, 15856511892]

約数ペア:

[(1, 15856511892), (2, 7928255946), (3, 5285503964), (4, 3964127973), (6, 2642751982), (12, 1321375991), (13, 1219731684), (26, 609865842), (39, 406577228), (52, 304932921), (78, 203288614), (156, 101644307), (397, 39940836), (794, 19970418), (1191, 13313612), (1588, 9985209), (2382, 6656806), (4764, 3328403), (5161, 3072372), (10322, 1536186), (15483, 1024124), (20644, 768093), (30966, 512062), (61932, 256031)]