256985196

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{601}}^1\times {\mathrm{2741}}^1$

素因数の和:3362

約数の個数: 48

約数和(自身を含む): 647068128

約数和(自身を除く): 390082932

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 601, 1202, 1803, 2404, 2741, 3606, 5482, 7212, 7813, 8223, 10964, 15626, 16446, 23439, 31252, 32892, 35633, 46878, 71266, 93756, 106899, 142532, 213798, 427596, 1647341, 3294682, 4942023, 6589364, 9884046, 19768092, 21415433, 42830866, 64246299, 85661732, 128492598, 256985196]

約数ペア:

[(1, 256985196), (2, 128492598), (3, 85661732), (4, 64246299), (6, 42830866), (12, 21415433), (13, 19768092), (26, 9884046), (39, 6589364), (52, 4942023), (78, 3294682), (156, 1647341), (601, 427596), (1202, 213798), (1803, 142532), (2404, 106899), (2741, 93756), (3606, 71266), (5482, 46878), (7212, 35633), (7813, 32892), (8223, 31252), (10964, 23439), (15626, 16446)]