26721448

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{13523}}^1$

素因数の和:13561

約数の個数: 32

約数和(自身を含む): 56800800

約数和(自身を除く): 30079352

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 13523, 27046, 54092, 108184, 175799, 256937, 351598, 513874, 703196, 1027748, 1406392, 2055496, 3340181, 6680362, 13360724, 26721448]

約数ペア:

[(1, 26721448), (2, 13360724), (4, 6680362), (8, 3340181), (13, 2055496), (19, 1406392), (26, 1027748), (38, 703196), (52, 513874), (76, 351598), (104, 256937), (152, 175799), (247, 108184), (494, 54092), (988, 27046), (1976, 13523)]