168558728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{85303}}^1$

素因数の和:85341

約数の個数: 32

約数和(自身を含む): 358276800

約数和(自身を除く): 189718072

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 85303, 170606, 341212, 682424, 1108939, 1620757, 2217878, 3241514, 4435756, 6483028, 8871512, 12966056, 21069841, 42139682, 84279364, 168558728]

約数ペア:

[(1, 168558728), (2, 84279364), (4, 42139682), (8, 21069841), (13, 12966056), (19, 8871512), (26, 6483028), (38, 4435756), (52, 3241514), (76, 2217878), (104, 1620757), (152, 1108939), (247, 682424), (494, 341212), (988, 170606), (1976, 85303)]