256343886

素因数分解:

$2^1\times 3^3\times {\mathrm{197}}^1\times {\mathrm{24097}}^1$

素因数の和:24305

約数の個数: 32

約数和(自身を含む): 572568480

約数和(自身を除く): 316224594

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 197, 394, 591, 1182, 1773, 3546, 5319, 10638, 24097, 48194, 72291, 144582, 216873, 433746, 650619, 1301238, 4747109, 9494218, 14241327, 28482654, 42723981, 85447962, 128171943, 256343886]

約数ペア:

[(1, 256343886), (2, 128171943), (3, 85447962), (6, 42723981), (9, 28482654), (18, 14241327), (27, 9494218), (54, 4747109), (197, 1301238), (394, 650619), (591, 433746), (1182, 216873), (1773, 144582), (3546, 72291), (5319, 48194), (10638, 24097)]