1281004088

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{26263}}^1$

素因数の和:26356

約数の個数: 64

約数和(自身を含む): 3000399360

約数和(自身を除く): 1719395272

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 67, 91, 104, 134, 182, 268, 364, 469, 536, 728, 871, 938, 1742, 1876, 3484, 3752, 6097, 6968, 12194, 24388, 26263, 48776, 52526, 105052, 183841, 210104, 341419, 367682, 682838, 735364, 1365676, 1470728, 1759621, 2389933, 2731352, 3519242, 4779866, 7038484, 9559732, 12317347, 14076968, 19119464, 22875073, 24634694, 45750146, 49269388, 91500292, 98538776, 160125511, 183000584, 320251022, 640502044, 1281004088]

約数ペア:

[(1, 1281004088), (2, 640502044), (4, 320251022), (7, 183000584), (8, 160125511), (13, 98538776), (14, 91500292), (26, 49269388), (28, 45750146), (52, 24634694), (56, 22875073), (67, 19119464), (91, 14076968), (104, 12317347), (134, 9559732), (182, 7038484), (268, 4779866), (364, 3519242), (469, 2731352), (536, 2389933), (728, 1759621), (871, 1470728), (938, 1365676), (1742, 735364), (1876, 682838), (3484, 367682), (3752, 341419), (6097, 210104), (6968, 183841), (12194, 105052), (24388, 52526), (26263, 48776)]